15.63/7.61 YES 15.63/7.61 15.63/7.61 Ultimate: Cannot open display: 15.63/7.61 This is Ultimate 0.1.24-8dc7c08-m 15.63/7.61 [2019-03-28 11:57:30,351 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.63/7.61 [2019-03-28 11:57:30,353 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.63/7.61 [2019-03-28 11:57:30,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.63/7.61 [2019-03-28 11:57:30,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.63/7.61 [2019-03-28 11:57:30,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.63/7.61 [2019-03-28 11:57:30,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.63/7.61 [2019-03-28 11:57:30,370 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.63/7.61 [2019-03-28 11:57:30,371 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.63/7.61 [2019-03-28 11:57:30,372 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.63/7.61 [2019-03-28 11:57:30,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.63/7.61 [2019-03-28 11:57:30,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.63/7.61 [2019-03-28 11:57:30,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.63/7.61 [2019-03-28 11:57:30,375 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.63/7.61 [2019-03-28 11:57:30,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.63/7.61 [2019-03-28 11:57:30,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.63/7.61 [2019-03-28 11:57:30,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.63/7.61 [2019-03-28 11:57:30,381 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.63/7.61 [2019-03-28 11:57:30,382 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.63/7.61 [2019-03-28 11:57:30,383 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.63/7.61 [2019-03-28 11:57:30,385 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.63/7.61 [2019-03-28 11:57:30,387 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.63/7.61 [2019-03-28 11:57:30,387 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.63/7.61 [2019-03-28 11:57:30,388 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.63/7.61 [2019-03-28 11:57:30,389 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.63/7.61 [2019-03-28 11:57:30,390 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.63/7.61 [2019-03-28 11:57:30,390 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.63/7.61 [2019-03-28 11:57:30,391 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.63/7.61 [2019-03-28 11:57:30,392 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.63/7.61 [2019-03-28 11:57:30,393 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.63/7.61 [2019-03-28 11:57:30,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.63/7.61 [2019-03-28 11:57:30,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.63/7.61 [2019-03-28 11:57:30,395 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.63/7.61 [2019-03-28 11:57:30,409 INFO L110 SettingsManager]: Loading preferences was successful 15.63/7.61 [2019-03-28 11:57:30,409 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.63/7.61 [2019-03-28 11:57:30,410 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.63/7.61 [2019-03-28 11:57:30,411 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.63/7.61 [2019-03-28 11:57:30,411 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.63/7.61 [2019-03-28 11:57:30,411 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.63/7.61 [2019-03-28 11:57:30,411 INFO L133 SettingsManager]: * Use SBE=true 15.63/7.61 [2019-03-28 11:57:30,412 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.63/7.61 [2019-03-28 11:57:30,412 INFO L133 SettingsManager]: * Use old map elimination=false 15.63/7.61 [2019-03-28 11:57:30,412 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.63/7.61 [2019-03-28 11:57:30,412 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.63/7.61 [2019-03-28 11:57:30,412 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.63/7.61 [2019-03-28 11:57:30,412 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.63/7.61 [2019-03-28 11:57:30,413 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.63/7.61 [2019-03-28 11:57:30,413 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:30,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.63/7.61 [2019-03-28 11:57:30,413 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.63/7.61 [2019-03-28 11:57:30,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.63/7.61 [2019-03-28 11:57:30,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.63/7.61 [2019-03-28 11:57:30,414 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.63/7.61 [2019-03-28 11:57:30,414 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.63/7.61 [2019-03-28 11:57:30,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.63/7.61 [2019-03-28 11:57:30,415 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.63/7.61 [2019-03-28 11:57:30,415 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.63/7.61 [2019-03-28 11:57:30,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.63/7.61 [2019-03-28 11:57:30,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.63/7.61 [2019-03-28 11:57:30,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.63/7.61 [2019-03-28 11:57:30,416 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.63/7.61 [2019-03-28 11:57:30,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.63/7.61 [2019-03-28 11:57:30,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.63/7.61 [2019-03-28 11:57:30,455 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.63/7.61 [2019-03-28 11:57:30,458 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.63/7.61 [2019-03-28 11:57:30,460 INFO L271 PluginConnector]: Initializing CDTParser... 15.63/7.61 [2019-03-28 11:57:30,460 INFO L276 PluginConnector]: CDTParser initialized 15.63/7.61 [2019-03-28 11:57:30,461 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.63/7.61 [2019-03-28 11:57:30,527 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ca55f8f1f68c4067ad09f25eecd41167/FLAGf386498d6 15.63/7.61 !SESSION 2019-03-28 11:57:28.034 ----------------------------------------------- 15.63/7.61 eclipse.buildId=unknown 15.63/7.61 java.version=1.8.0_181 15.63/7.61 java.vendor=Oracle Corporation 15.63/7.61 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.63/7.61 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.63/7.61 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.63/7.61 15.63/7.61 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 11:57:30.795 15.63/7.61 !MESSAGE Indexed 'FLAGf386498d6' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 15.63/7.61 [2019-03-28 11:57:30,868 INFO L307 CDTParser]: Found 1 translation units. 15.63/7.61 [2019-03-28 11:57:30,868 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.63/7.61 [2019-03-28 11:57:30,875 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ca55f8f1f68c4067ad09f25eecd41167/FLAGf386498d6 15.63/7.61 [2019-03-28 11:57:31,317 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ca55f8f1f68c4067ad09f25eecd41167 15.63/7.61 [2019-03-28 11:57:31,329 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.63/7.61 [2019-03-28 11:57:31,330 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.63/7.61 [2019-03-28 11:57:31,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.63/7.61 [2019-03-28 11:57:31,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.63/7.61 [2019-03-28 11:57:31,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.63/7.61 [2019-03-28 11:57:31,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214f8f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:31,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.63/7.61 [2019-03-28 11:57:31,366 INFO L176 MainTranslator]: Built tables and reachable declarations 15.63/7.61 [2019-03-28 11:57:31,525 INFO L206 PostProcessor]: Analyzing one entry point: main 15.63/7.61 [2019-03-28 11:57:31,530 INFO L191 MainTranslator]: Completed pre-run 15.63/7.61 [2019-03-28 11:57:31,547 INFO L206 PostProcessor]: Analyzing one entry point: main 15.63/7.61 [2019-03-28 11:57:31,622 INFO L195 MainTranslator]: Completed translation 15.63/7.61 [2019-03-28 11:57:31,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31 WrapperNode 15.63/7.61 [2019-03-28 11:57:31,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.63/7.61 [2019-03-28 11:57:31,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.63/7.61 [2019-03-28 11:57:31,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.63/7.61 [2019-03-28 11:57:31,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.63/7.61 [2019-03-28 11:57:31,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.63/7.61 [2019-03-28 11:57:31,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.63/7.61 [2019-03-28 11:57:31,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.63/7.61 [2019-03-28 11:57:31,660 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.63/7.61 [2019-03-28 11:57:31,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.63/7.61 [2019-03-28 11:57:31,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.63/7.61 [2019-03-28 11:57:31,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.63/7.61 [2019-03-28 11:57:31,681 INFO L276 PluginConnector]: RCFGBuilder initialized 15.63/7.61 [2019-03-28 11:57:31,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (1/1) ... 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.63/7.61 [2019-03-28 11:57:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.63/7.61 [2019-03-28 11:57:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.63/7.61 [2019-03-28 11:57:31,881 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.63/7.61 [2019-03-28 11:57:31,882 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 15.63/7.61 [2019-03-28 11:57:31,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:31 BoogieIcfgContainer 15.63/7.61 [2019-03-28 11:57:31,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.63/7.61 [2019-03-28 11:57:31,884 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.63/7.61 [2019-03-28 11:57:31,884 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.63/7.61 [2019-03-28 11:57:31,886 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.63/7.61 [2019-03-28 11:57:31,887 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:31" (1/1) ... 15.63/7.61 [2019-03-28 11:57:31,902 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 14 edges 15.63/7.61 [2019-03-28 11:57:31,904 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.63/7.61 [2019-03-28 11:57:31,904 INFO L263 BlockEncoder]: Using Maximize final states 15.63/7.61 [2019-03-28 11:57:31,905 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.63/7.61 [2019-03-28 11:57:31,905 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.63/7.61 [2019-03-28 11:57:31,907 INFO L296 BlockEncoder]: Using Remove sink states 15.63/7.61 [2019-03-28 11:57:31,908 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.63/7.61 [2019-03-28 11:57:31,908 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.63/7.61 [2019-03-28 11:57:31,924 INFO L185 BlockEncoder]: Using Use SBE 15.63/7.61 [2019-03-28 11:57:31,942 INFO L200 BlockEncoder]: SBE split 4 edges 15.63/7.61 [2019-03-28 11:57:31,947 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 15.63/7.61 [2019-03-28 11:57:31,948 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.63/7.61 [2019-03-28 11:57:31,960 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.63/7.61 [2019-03-28 11:57:31,962 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.63/7.61 [2019-03-28 11:57:31,963 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.63/7.61 [2019-03-28 11:57:31,964 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.63/7.61 [2019-03-28 11:57:31,964 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.63/7.61 [2019-03-28 11:57:31,964 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.63/7.61 [2019-03-28 11:57:31,965 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 11 edges 15.63/7.61 [2019-03-28 11:57:31,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:57:31 BasicIcfg 15.63/7.61 [2019-03-28 11:57:31,965 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.63/7.61 [2019-03-28 11:57:31,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.63/7.61 [2019-03-28 11:57:31,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.63/7.61 [2019-03-28 11:57:31,970 INFO L276 PluginConnector]: TraceAbstraction initialized 15.63/7.61 [2019-03-28 11:57:31,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:57:31" (1/4) ... 15.63/7.61 [2019-03-28 11:57:31,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c536808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:57:31, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:31,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (2/4) ... 15.63/7.61 [2019-03-28 11:57:31,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c536808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:57:31, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:31,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:31" (3/4) ... 15.63/7.61 [2019-03-28 11:57:31,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c536808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:57:31, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:31,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:57:31" (4/4) ... 15.63/7.61 [2019-03-28 11:57:31,974 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.63/7.61 [2019-03-28 11:57:31,984 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.63/7.61 [2019-03-28 11:57:31,991 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.63/7.61 [2019-03-28 11:57:32,009 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.63/7.61 [2019-03-28 11:57:32,037 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.63/7.61 [2019-03-28 11:57:32,038 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.63/7.61 [2019-03-28 11:57:32,038 INFO L383 AbstractCegarLoop]: Hoare is true 15.63/7.61 [2019-03-28 11:57:32,038 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.63/7.61 [2019-03-28 11:57:32,038 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.63/7.61 [2019-03-28 11:57:32,039 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.63/7.61 [2019-03-28 11:57:32,039 INFO L387 AbstractCegarLoop]: Difference is false 15.63/7.61 [2019-03-28 11:57:32,039 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.63/7.61 [2019-03-28 11:57:32,039 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.63/7.61 [2019-03-28 11:57:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 15.63/7.61 [2019-03-28 11:57:32,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.63/7.61 [2019-03-28 11:57:32,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 15.63/7.61 [2019-03-28 11:57:32,114 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 20) the Hoare annotation is: true 15.63/7.61 [2019-03-28 11:57:32,115 INFO L451 ceAbstractionStarter]: At program point L19-3(lines 15 21) the Hoare annotation is: true 15.63/7.61 [2019-03-28 11:57:32,115 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 17) the Hoare annotation is: true 15.63/7.61 [2019-03-28 11:57:32,115 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.63/7.61 [2019-03-28 11:57:32,116 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 17) no Hoare annotation was computed. 15.63/7.61 [2019-03-28 11:57:32,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:57:32 BasicIcfg 15.63/7.61 [2019-03-28 11:57:32,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.63/7.61 [2019-03-28 11:57:32,125 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.63/7.61 [2019-03-28 11:57:32,125 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.63/7.61 [2019-03-28 11:57:32,128 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.63/7.61 [2019-03-28 11:57:32,129 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.63/7.61 [2019-03-28 11:57:32,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:57:31" (1/5) ... 15.63/7.61 [2019-03-28 11:57:32,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@173177b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:57:32, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:32,130 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.63/7.61 [2019-03-28 11:57:32,130 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:57:31" (2/5) ... 15.63/7.61 [2019-03-28 11:57:32,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@173177b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:57:32, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:32,130 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.63/7.61 [2019-03-28 11:57:32,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:57:31" (3/5) ... 15.63/7.61 [2019-03-28 11:57:32,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@173177b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:32, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:32,131 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.63/7.61 [2019-03-28 11:57:32,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:57:31" (4/5) ... 15.63/7.61 [2019-03-28 11:57:32,132 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@173177b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:32, skipping insertion in model container 15.63/7.61 [2019-03-28 11:57:32,132 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.63/7.61 [2019-03-28 11:57:32,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:57:32" (5/5) ... 15.63/7.61 [2019-03-28 11:57:32,133 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.63/7.61 [2019-03-28 11:57:32,162 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.63/7.61 [2019-03-28 11:57:32,162 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.63/7.61 [2019-03-28 11:57:32,162 INFO L375 BuchiCegarLoop]: Hoare is true 15.63/7.61 [2019-03-28 11:57:32,163 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.63/7.61 [2019-03-28 11:57:32,163 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.63/7.61 [2019-03-28 11:57:32,163 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.63/7.61 [2019-03-28 11:57:32,163 INFO L379 BuchiCegarLoop]: Difference is false 15.63/7.61 [2019-03-28 11:57:32,163 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.63/7.61 [2019-03-28 11:57:32,163 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.63/7.61 [2019-03-28 11:57:32,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.63/7.61 [2019-03-28 11:57:32,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.63/7.61 [2019-03-28 11:57:32,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.63/7.61 [2019-03-28 11:57:32,188 INFO L119 BuchiIsEmpty]: Starting construction of run 15.63/7.61 [2019-03-28 11:57:32,193 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.63/7.61 [2019-03-28 11:57:32,193 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.63/7.61 [2019-03-28 11:57:32,193 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.63/7.61 [2019-03-28 11:57:32,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 15.63/7.61 [2019-03-28 11:57:32,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.63/7.61 [2019-03-28 11:57:32,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.63/7.61 [2019-03-28 11:57:32,195 INFO L119 BuchiIsEmpty]: Starting construction of run 15.63/7.61 [2019-03-28 11:57:32,195 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.63/7.61 [2019-03-28 11:57:32,195 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 15.63/7.61 [2019-03-28 11:57:32,200 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [43] ULTIMATE.startENTRY-->L19-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 4#L19-3true 15.63/7.61 [2019-03-28 11:57:32,201 INFO L796 eck$LassoCheckResult]: Loop: 4#L19-3true [46] L19-3-->L16-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 7#L16-2true [62] L16-2-->L16-3: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_3|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 6#L16-3true [52] L16-3-->L19-2: Formula: (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5] 5#L19-2true [66] L19-2-->L19-3: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet6_5|) InVars {ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_5|} OutVars{ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet6] 4#L19-3true 15.63/7.61 [2019-03-28 11:57:32,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:32,207 INFO L82 PathProgramCache]: Analyzing trace with hash 74, now seen corresponding path program 1 times 15.63/7.61 [2019-03-28 11:57:32,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.61 [2019-03-28 11:57:32,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.61 [2019-03-28 11:57:32,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:32,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:32,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2355167, now seen corresponding path program 1 times 15.63/7.61 [2019-03-28 11:57:32,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.61 [2019-03-28 11:57:32,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.61 [2019-03-28 11:57:32,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:32,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:32,294 INFO L82 PathProgramCache]: Analyzing trace with hash 69772200, now seen corresponding path program 1 times 15.63/7.61 [2019-03-28 11:57:32,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.61 [2019-03-28 11:57:32,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.61 [2019-03-28 11:57:32,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:32,353 INFO L216 LassoAnalysis]: Preferences: 15.63/7.61 [2019-03-28 11:57:32,354 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.61 [2019-03-28 11:57:32,355 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.61 [2019-03-28 11:57:32,355 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.61 [2019-03-28 11:57:32,355 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.63/7.61 [2019-03-28 11:57:32,355 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:32,355 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.61 [2019-03-28 11:57:32,356 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.61 [2019-03-28 11:57:32,356 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.63/7.61 [2019-03-28 11:57:32,356 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.61 [2019-03-28 11:57:32,356 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.61 [2019-03-28 11:57:32,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,466 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.61 [2019-03-28 11:57:32,467 INFO L412 LassoAnalysis]: Checking for nontermination... 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:32,475 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:32,475 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 [2019-03-28 11:57:32,485 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.61 [2019-03-28 11:57:32,485 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet6=0} Honda state: {ULTIMATE.start_main_#t~nondet6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:32,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:32,515 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 [2019-03-28 11:57:32,519 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.61 [2019-03-28 11:57:32,519 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:32,548 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:32,548 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:32,580 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:32,580 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 [2019-03-28 11:57:32,610 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.63/7.61 [2019-03-28 11:57:32,612 INFO L216 LassoAnalysis]: Preferences: 15.63/7.61 [2019-03-28 11:57:32,613 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.61 [2019-03-28 11:57:32,613 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.61 [2019-03-28 11:57:32,613 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.61 [2019-03-28 11:57:32,613 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.63/7.61 [2019-03-28 11:57:32,613 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:32,613 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.61 [2019-03-28 11:57:32,614 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.61 [2019-03-28 11:57:32,614 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.63/7.61 [2019-03-28 11:57:32,614 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.61 [2019-03-28 11:57:32,614 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.61 [2019-03-28 11:57:32,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:32,703 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.61 [2019-03-28 11:57:32,709 INFO L497 LassoAnalysis]: Using template 'affine'. 15.63/7.61 [2019-03-28 11:57:32,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.61 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.61 Number of strict supporting invariants: 0 15.63/7.61 Number of non-strict supporting invariants: 1 15.63/7.61 Consider only non-deceasing supporting invariants: true 15.63/7.61 Simplify termination arguments: true 15.63/7.61 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.61 [2019-03-28 11:57:32,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.61 [2019-03-28 11:57:32,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.61 [2019-03-28 11:57:32,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.61 [2019-03-28 11:57:32,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.61 [2019-03-28 11:57:32,714 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.61 [2019-03-28 11:57:32,716 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.61 [2019-03-28 11:57:32,716 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.61 [2019-03-28 11:57:32,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.63/7.61 [2019-03-28 11:57:32,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.61 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.61 Number of strict supporting invariants: 0 15.63/7.61 Number of non-strict supporting invariants: 1 15.63/7.61 Consider only non-deceasing supporting invariants: true 15.63/7.61 Simplify termination arguments: true 15.63/7.61 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.61 [2019-03-28 11:57:32,722 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.61 [2019-03-28 11:57:32,722 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.61 [2019-03-28 11:57:32,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.61 [2019-03-28 11:57:32,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.61 [2019-03-28 11:57:32,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.61 [2019-03-28 11:57:32,724 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.61 [2019-03-28 11:57:32,724 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.61 [2019-03-28 11:57:32,725 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.63/7.61 [2019-03-28 11:57:32,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.61 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.61 Number of strict supporting invariants: 0 15.63/7.61 Number of non-strict supporting invariants: 1 15.63/7.61 Consider only non-deceasing supporting invariants: true 15.63/7.61 Simplify termination arguments: true 15.63/7.61 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.61 [2019-03-28 11:57:32,726 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.61 [2019-03-28 11:57:32,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.61 [2019-03-28 11:57:32,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.61 [2019-03-28 11:57:32,727 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.61 [2019-03-28 11:57:32,727 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.61 [2019-03-28 11:57:32,728 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.61 [2019-03-28 11:57:32,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.61 [2019-03-28 11:57:32,734 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.63/7.61 [2019-03-28 11:57:32,739 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.63/7.61 [2019-03-28 11:57:32,739 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 15.63/7.61 [2019-03-28 11:57:32,741 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.63/7.61 [2019-03-28 11:57:32,741 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.63/7.61 [2019-03-28 11:57:32,742 INFO L518 LassoAnalysis]: Proved termination. 15.63/7.61 [2019-03-28 11:57:32,742 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.63/7.61 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 15.63/7.61 Supporting invariants [] 15.63/7.61 [2019-03-28 11:57:32,744 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.63/7.61 [2019-03-28 11:57:32,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.61 [2019-03-28 11:57:32,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.63/7.61 [2019-03-28 11:57:32,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.61 [2019-03-28 11:57:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.61 [2019-03-28 11:57:32,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.63/7.61 [2019-03-28 11:57:32,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.61 [2019-03-28 11:57:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.63/7.61 [2019-03-28 11:57:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.61 [2019-03-28 11:57:32,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 15.63/7.61 [2019-03-28 11:57:32,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.61 [2019-03-28 11:57:32,907 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.63/7.61 [2019-03-28 11:57:32,912 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.63/7.61 [2019-03-28 11:57:32,914 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 15.63/7.61 [2019-03-28 11:57:32,986 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 14 states and 39 transitions. Complement of second has 6 states. 15.63/7.61 [2019-03-28 11:57:32,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.63/7.61 [2019-03-28 11:57:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.63/7.61 [2019-03-28 11:57:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. 15.63/7.61 [2019-03-28 11:57:32,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 1 letters. Loop has 4 letters. 15.63/7.61 [2019-03-28 11:57:32,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.61 [2019-03-28 11:57:32,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. 15.63/7.61 [2019-03-28 11:57:32,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.61 [2019-03-28 11:57:32,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 1 letters. Loop has 8 letters. 15.63/7.61 [2019-03-28 11:57:32,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.61 [2019-03-28 11:57:33,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 39 transitions. 15.63/7.61 [2019-03-28 11:57:33,002 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 15.63/7.61 [2019-03-28 11:57:33,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 35 transitions. 15.63/7.61 [2019-03-28 11:57:33,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 15.63/7.61 [2019-03-28 11:57:33,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.63/7.61 [2019-03-28 11:57:33,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 35 transitions. 15.63/7.61 [2019-03-28 11:57:33,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.63/7.61 [2019-03-28 11:57:33,011 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 35 transitions. 15.63/7.61 [2019-03-28 11:57:33,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 35 transitions. 15.63/7.61 [2019-03-28 11:57:33,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 10. 15.63/7.61 [2019-03-28 11:57:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 15.63/7.61 [2019-03-28 11:57:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 28 transitions. 15.63/7.61 [2019-03-28 11:57:33,042 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 28 transitions. 15.63/7.61 [2019-03-28 11:57:33,042 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 28 transitions. 15.63/7.61 [2019-03-28 11:57:33,042 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.63/7.61 [2019-03-28 11:57:33,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 28 transitions. 15.63/7.61 [2019-03-28 11:57:33,043 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 15.63/7.61 [2019-03-28 11:57:33,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.63/7.61 [2019-03-28 11:57:33,043 INFO L119 BuchiIsEmpty]: Starting construction of run 15.63/7.61 [2019-03-28 11:57:33,044 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.63/7.61 [2019-03-28 11:57:33,044 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.63/7.61 [2019-03-28 11:57:33,044 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY [43] ULTIMATE.startENTRY-->L19-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 76#L19-3 [46] L19-3-->L16-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 72#L16-2 15.63/7.61 [2019-03-28 11:57:33,045 INFO L796 eck$LassoCheckResult]: Loop: 72#L16-2 [64] L16-2-->L16-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~y~0_8) (< 0 |v_ULTIMATE.start_main_#t~nondet3_5|) (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~post4] 72#L16-2 15.63/7.61 [2019-03-28 11:57:33,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:33,045 INFO L82 PathProgramCache]: Analyzing trace with hash 2340, now seen corresponding path program 1 times 15.63/7.61 [2019-03-28 11:57:33,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.61 [2019-03-28 11:57:33,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.61 [2019-03-28 11:57:33,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:33,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:33,052 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 1 times 15.63/7.61 [2019-03-28 11:57:33,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.61 [2019-03-28 11:57:33,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.61 [2019-03-28 11:57:33,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:33,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.61 [2019-03-28 11:57:33,058 INFO L82 PathProgramCache]: Analyzing trace with hash 72604, now seen corresponding path program 1 times 15.63/7.61 [2019-03-28 11:57:33,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.61 [2019-03-28 11:57:33,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.61 [2019-03-28 11:57:33,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.61 [2019-03-28 11:57:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.61 [2019-03-28 11:57:33,082 INFO L216 LassoAnalysis]: Preferences: 15.63/7.61 [2019-03-28 11:57:33,082 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.61 [2019-03-28 11:57:33,082 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.61 [2019-03-28 11:57:33,082 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.61 [2019-03-28 11:57:33,082 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.63/7.61 [2019-03-28 11:57:33,082 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:33,083 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.61 [2019-03-28 11:57:33,083 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.61 [2019-03-28 11:57:33,083 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.63/7.61 [2019-03-28 11:57:33,083 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.61 [2019-03-28 11:57:33,083 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.61 [2019-03-28 11:57:33,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:33,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:33,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:33,119 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.61 [2019-03-28 11:57:33,119 INFO L412 LassoAnalysis]: Checking for nontermination... 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:33,124 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:33,124 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 [2019-03-28 11:57:33,151 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.61 [2019-03-28 11:57:33,151 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=1} Honda state: {ULTIMATE.start_main_#t~nondet3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:33,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:33,158 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.61 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.61 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:33,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.63/7.61 [2019-03-28 11:57:33,190 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.61 [2019-03-28 11:57:33,221 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.63/7.61 [2019-03-28 11:57:33,223 INFO L216 LassoAnalysis]: Preferences: 15.63/7.61 [2019-03-28 11:57:33,223 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.61 [2019-03-28 11:57:33,223 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.61 [2019-03-28 11:57:33,223 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.61 [2019-03-28 11:57:33,224 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.63/7.61 [2019-03-28 11:57:33,224 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.63/7.61 [2019-03-28 11:57:33,224 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.61 [2019-03-28 11:57:33,224 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.61 [2019-03-28 11:57:33,224 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.63/7.61 [2019-03-28 11:57:33,225 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.61 [2019-03-28 11:57:33,225 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.61 [2019-03-28 11:57:33,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:33,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.61 [2019-03-28 11:57:33,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,273 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.62 [2019-03-28 11:57:33,274 INFO L497 LassoAnalysis]: Using template 'affine'. 15.63/7.62 [2019-03-28 11:57:33,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:33,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:33,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:33,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:33,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:33,276 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:33,276 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:33,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:33,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.63/7.62 [2019-03-28 11:57:33,280 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:33,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:33,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:33,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:33,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:33,281 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:33,282 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:33,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:33,287 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.63/7.62 [2019-03-28 11:57:33,291 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.63/7.62 [2019-03-28 11:57:33,291 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 15.63/7.62 [2019-03-28 11:57:33,292 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.63/7.62 [2019-03-28 11:57:33,292 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.63/7.62 [2019-03-28 11:57:33,292 INFO L518 LassoAnalysis]: Proved termination. 15.63/7.62 [2019-03-28 11:57:33,292 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.63/7.62 Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 15.63/7.62 Supporting invariants [] 15.63/7.62 [2019-03-28 11:57:33,293 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.63/7.62 [2019-03-28 11:57:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.62 [2019-03-28 11:57:33,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 15.63/7.62 [2019-03-28 11:57:33,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.62 [2019-03-28 11:57:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.62 [2019-03-28 11:57:33,334 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.63/7.62 [2019-03-28 11:57:33,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.62 [2019-03-28 11:57:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.63/7.62 [2019-03-28 11:57:33,335 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.63/7.62 [2019-03-28 11:57:33,335 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.63/7.62 [2019-03-28 11:57:33,335 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 28 transitions. cyclomatic complexity: 21 Second operand 2 states. 15.63/7.62 [2019-03-28 11:57:33,392 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 28 transitions. cyclomatic complexity: 21. Second operand 2 states. Result 21 states and 49 transitions. Complement of second has 6 states. 15.63/7.62 [2019-03-28 11:57:33,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.63/7.62 [2019-03-28 11:57:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.63/7.62 [2019-03-28 11:57:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. 15.63/7.62 [2019-03-28 11:57:33,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 2 letters. Loop has 1 letters. 15.63/7.62 [2019-03-28 11:57:33,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:33,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 3 letters. Loop has 1 letters. 15.63/7.62 [2019-03-28 11:57:33,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:33,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. 15.63/7.62 [2019-03-28 11:57:33,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:33,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 49 transitions. 15.63/7.62 [2019-03-28 11:57:33,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.63/7.62 [2019-03-28 11:57:33,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.63/7.62 [2019-03-28 11:57:33,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 15.63/7.62 [2019-03-28 11:57:33,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.63/7.62 [2019-03-28 11:57:33,402 INFO L706 BuchiCegarLoop]: Abstraction has 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. 15.63/7.62 [2019-03-28 11:57:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 15.63/7.62 [2019-03-28 11:57:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,405 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,405 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,405 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.63/7.62 [2019-03-28 11:57:33,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 33 transitions. 15.63/7.62 [2019-03-28 11:57:33,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.63/7.62 [2019-03-28 11:57:33,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.63/7.62 [2019-03-28 11:57:33,406 INFO L119 BuchiIsEmpty]: Starting construction of run 15.63/7.62 [2019-03-28 11:57:33,407 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 15.63/7.62 [2019-03-28 11:57:33,407 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.63/7.62 [2019-03-28 11:57:33,407 INFO L794 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY [43] ULTIMATE.startENTRY-->L19-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 132#L19-3 [46] L19-3-->L16-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 133#L16-2 [63] L16-2-->L16-3: Formula: (> 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 144#L16-3 [52] L16-3-->L19-2: Formula: (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5] 143#L19-2 [69] L19-2-->L19-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_2 1) v_ULTIMATE.start_main_~y~0_1) (> 0 |v_ULTIMATE.start_main_#t~nondet6_2|) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7] 137#L19-2 15.63/7.62 [2019-03-28 11:57:33,408 INFO L796 eck$LassoCheckResult]: Loop: 137#L19-2 [68] L19-2-->L19-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_2 1) v_ULTIMATE.start_main_~y~0_1) (< 0 |v_ULTIMATE.start_main_#t~nondet6_2|) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7] 137#L19-2 15.63/7.62 [2019-03-28 11:57:33,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,408 INFO L82 PathProgramCache]: Analyzing trace with hash 69773164, now seen corresponding path program 1 times 15.63/7.62 [2019-03-28 11:57:33,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.62 [2019-03-28 11:57:33,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.62 [2019-03-28 11:57:33,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,422 INFO L82 PathProgramCache]: Analyzing trace with hash 99, now seen corresponding path program 1 times 15.63/7.62 [2019-03-28 11:57:33,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.62 [2019-03-28 11:57:33,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.62 [2019-03-28 11:57:33,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash -2131999144, now seen corresponding path program 1 times 15.63/7.62 [2019-03-28 11:57:33,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.62 [2019-03-28 11:57:33,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.62 [2019-03-28 11:57:33,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,460 INFO L216 LassoAnalysis]: Preferences: 15.63/7.62 [2019-03-28 11:57:33,460 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.62 [2019-03-28 11:57:33,460 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.62 [2019-03-28 11:57:33,460 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.62 [2019-03-28 11:57:33,460 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.63/7.62 [2019-03-28 11:57:33,461 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:33,461 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.62 [2019-03-28 11:57:33,461 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.62 [2019-03-28 11:57:33,461 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.63/7.62 [2019-03-28 11:57:33,462 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.62 [2019-03-28 11:57:33,462 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.62 [2019-03-28 11:57:33,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,497 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.62 [2019-03-28 11:57:33,498 INFO L412 LassoAnalysis]: Checking for nontermination... 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:33,504 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:33,504 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 [2019-03-28 11:57:33,531 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.62 [2019-03-28 11:57:33,532 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet6=1} Honda state: {ULTIMATE.start_main_#t~nondet6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:33,539 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:33,539 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 [2019-03-28 11:57:33,543 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.62 [2019-03-28 11:57:33,543 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:33,573 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:33,574 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:33,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:33,612 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 [2019-03-28 11:57:33,833 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.63/7.62 [2019-03-28 11:57:33,835 INFO L216 LassoAnalysis]: Preferences: 15.63/7.62 [2019-03-28 11:57:33,835 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.62 [2019-03-28 11:57:33,836 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.62 [2019-03-28 11:57:33,836 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.62 [2019-03-28 11:57:33,836 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.63/7.62 [2019-03-28 11:57:33,836 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:33,836 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.62 [2019-03-28 11:57:33,836 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.62 [2019-03-28 11:57:33,836 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.63/7.62 [2019-03-28 11:57:33,837 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.62 [2019-03-28 11:57:33,837 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.62 [2019-03-28 11:57:33,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:33,870 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.62 [2019-03-28 11:57:33,871 INFO L497 LassoAnalysis]: Using template 'affine'. 15.63/7.62 [2019-03-28 11:57:33,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:33,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:33,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:33,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:33,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:33,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:33,873 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:33,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:33,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.63/7.62 [2019-03-28 11:57:33,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:33,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:33,878 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:33,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:33,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:33,878 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:33,879 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:33,879 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:33,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.63/7.62 [2019-03-28 11:57:33,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:33,881 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:33,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:33,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:33,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:33,881 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:33,882 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:33,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:33,886 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.63/7.62 [2019-03-28 11:57:33,890 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.63/7.62 [2019-03-28 11:57:33,890 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.63/7.62 [2019-03-28 11:57:33,890 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.63/7.62 [2019-03-28 11:57:33,891 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.63/7.62 [2019-03-28 11:57:33,891 INFO L518 LassoAnalysis]: Proved termination. 15.63/7.62 [2019-03-28 11:57:33,891 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.63/7.62 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~n~0 + 1 15.63/7.62 Supporting invariants [] 15.63/7.62 [2019-03-28 11:57:33,892 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.63/7.62 [2019-03-28 11:57:33,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.62 [2019-03-28 11:57:33,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 15.63/7.62 [2019-03-28 11:57:33,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.62 [2019-03-28 11:57:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.62 [2019-03-28 11:57:33,918 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.63/7.62 [2019-03-28 11:57:33,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.62 [2019-03-28 11:57:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.63/7.62 [2019-03-28 11:57:33,919 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.63/7.62 [2019-03-28 11:57:33,920 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.63/7.62 [2019-03-28 11:57:33,920 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 14 states and 33 transitions. cyclomatic complexity: 21 Second operand 2 states. 15.63/7.62 [2019-03-28 11:57:33,959 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 14 states and 33 transitions. cyclomatic complexity: 21. Second operand 2 states. Result 37 states and 85 transitions. Complement of second has 4 states. 15.63/7.62 [2019-03-28 11:57:33,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.63/7.62 [2019-03-28 11:57:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.63/7.62 [2019-03-28 11:57:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. 15.63/7.62 [2019-03-28 11:57:33,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 1 letters. 15.63/7.62 [2019-03-28 11:57:33,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:33,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 6 letters. Loop has 1 letters. 15.63/7.62 [2019-03-28 11:57:33,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:33,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. 15.63/7.62 [2019-03-28 11:57:33,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:33,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 85 transitions. 15.63/7.62 [2019-03-28 11:57:33,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.63/7.62 [2019-03-28 11:57:33,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 27 states and 61 transitions. 15.63/7.62 [2019-03-28 11:57:33,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 15.63/7.62 [2019-03-28 11:57:33,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 15.63/7.62 [2019-03-28 11:57:33,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 61 transitions. 15.63/7.62 [2019-03-28 11:57:33,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.63/7.62 [2019-03-28 11:57:33,968 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 61 transitions. 15.63/7.62 [2019-03-28 11:57:33,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 61 transitions. 15.63/7.62 [2019-03-28 11:57:33,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. 15.63/7.62 [2019-03-28 11:57:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. 15.63/7.62 [2019-03-28 11:57:33,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 45 transitions. 15.63/7.62 [2019-03-28 11:57:33,972 INFO L729 BuchiCegarLoop]: Abstraction has 19 states and 45 transitions. 15.63/7.62 [2019-03-28 11:57:33,972 INFO L609 BuchiCegarLoop]: Abstraction has 19 states and 45 transitions. 15.63/7.62 [2019-03-28 11:57:33,972 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.63/7.62 [2019-03-28 11:57:33,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 45 transitions. 15.63/7.62 [2019-03-28 11:57:33,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 15.63/7.62 [2019-03-28 11:57:33,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.63/7.62 [2019-03-28 11:57:33,973 INFO L119 BuchiIsEmpty]: Starting construction of run 15.63/7.62 [2019-03-28 11:57:33,973 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 15.63/7.62 [2019-03-28 11:57:33,974 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 15.63/7.62 [2019-03-28 11:57:33,974 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY [43] ULTIMATE.startENTRY-->L19-3: Formula: (and (= v_ULTIMATE.start_main_~n~0_2 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~y~0_3 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_3|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_1|, ULTIMATE.start_main_#t~post4=|v_ULTIMATE.start_main_#t~post4_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_3} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5, ULTIMATE.start_main_#t~post4] 220#L19-3 [46] L19-3-->L16-2: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 221#L16-2 [63] L16-2-->L16-3: Formula: (> 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 234#L16-3 [52] L16-3-->L19-2: Formula: (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_6 1)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~post5] 230#L19-2 [68] L19-2-->L19-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_2 1) v_ULTIMATE.start_main_~y~0_1) (< 0 |v_ULTIMATE.start_main_#t~nondet6_2|) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7] 225#L19-2 15.63/7.62 [2019-03-28 11:57:33,974 INFO L796 eck$LassoCheckResult]: Loop: 225#L19-2 [68] L19-2-->L19-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_2 1) v_ULTIMATE.start_main_~y~0_1) (< 0 |v_ULTIMATE.start_main_#t~nondet6_2|) (<= v_ULTIMATE.start_main_~y~0_2 v_ULTIMATE.start_main_~n~0_1)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_2, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_#t~post7=|v_ULTIMATE.start_main_#t~post7_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~post7] 225#L19-2 15.63/7.62 [2019-03-28 11:57:33,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,974 INFO L82 PathProgramCache]: Analyzing trace with hash 69773163, now seen corresponding path program 1 times 15.63/7.62 [2019-03-28 11:57:33,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.62 [2019-03-28 11:57:33,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.62 [2019-03-28 11:57:33,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,986 INFO L82 PathProgramCache]: Analyzing trace with hash 99, now seen corresponding path program 2 times 15.63/7.62 [2019-03-28 11:57:33,986 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.62 [2019-03-28 11:57:33,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.62 [2019-03-28 11:57:33,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:33,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:33,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2131999175, now seen corresponding path program 2 times 15.63/7.62 [2019-03-28 11:57:33,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.63/7.62 [2019-03-28 11:57:33,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.63/7.62 [2019-03-28 11:57:33,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.63/7.62 [2019-03-28 11:57:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.63/7.62 [2019-03-28 11:57:34,017 INFO L216 LassoAnalysis]: Preferences: 15.63/7.62 [2019-03-28 11:57:34,017 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.62 [2019-03-28 11:57:34,017 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.62 [2019-03-28 11:57:34,017 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.62 [2019-03-28 11:57:34,017 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.63/7.62 [2019-03-28 11:57:34,017 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:34,018 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.62 [2019-03-28 11:57:34,018 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.62 [2019-03-28 11:57:34,018 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.63/7.62 [2019-03-28 11:57:34,018 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.62 [2019-03-28 11:57:34,018 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.62 [2019-03-28 11:57:34,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:34,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:34,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:34,051 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.62 [2019-03-28 11:57:34,051 INFO L412 LassoAnalysis]: Checking for nontermination... 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:34,057 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:34,057 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 [2019-03-28 11:57:34,084 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.62 [2019-03-28 11:57:34,085 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet6=1} Honda state: {ULTIMATE.start_main_#t~nondet6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:34,091 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:34,091 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 [2019-03-28 11:57:34,095 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.63/7.62 [2019-03-28 11:57:34,095 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:34,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:34,123 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.63/7.62 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.63/7.62 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:34,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.63/7.62 [2019-03-28 11:57:34,155 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.63/7.62 [2019-03-28 11:57:34,391 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.63/7.62 [2019-03-28 11:57:34,393 INFO L216 LassoAnalysis]: Preferences: 15.63/7.62 [2019-03-28 11:57:34,393 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.63/7.62 [2019-03-28 11:57:34,393 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.63/7.62 [2019-03-28 11:57:34,394 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.63/7.62 [2019-03-28 11:57:34,394 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.63/7.62 [2019-03-28 11:57:34,394 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.63/7.62 [2019-03-28 11:57:34,394 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.63/7.62 [2019-03-28 11:57:34,394 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.63/7.62 [2019-03-28 11:57:34,395 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.63/7.62 [2019-03-28 11:57:34,395 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.63/7.62 [2019-03-28 11:57:34,395 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.63/7.62 [2019-03-28 11:57:34,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:34,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:34,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.63/7.62 [2019-03-28 11:57:34,426 INFO L300 LassoAnalysis]: Preprocessing complete. 15.63/7.62 [2019-03-28 11:57:34,426 INFO L497 LassoAnalysis]: Using template 'affine'. 15.63/7.62 [2019-03-28 11:57:34,426 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:34,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:34,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:34,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:34,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:34,427 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:34,428 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:34,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:34,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.63/7.62 [2019-03-28 11:57:34,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.63/7.62 Termination analysis: LINEAR_WITH_GUESSES 15.63/7.62 Number of strict supporting invariants: 0 15.63/7.62 Number of non-strict supporting invariants: 1 15.63/7.62 Consider only non-deceasing supporting invariants: true 15.63/7.62 Simplify termination arguments: true 15.63/7.62 Simplify supporting invariants: trueOverapproximate stem: false 15.63/7.62 [2019-03-28 11:57:34,432 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.63/7.62 [2019-03-28 11:57:34,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.63/7.62 [2019-03-28 11:57:34,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.63/7.62 [2019-03-28 11:57:34,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.63/7.62 [2019-03-28 11:57:34,432 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.63/7.62 [2019-03-28 11:57:34,433 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.63/7.62 [2019-03-28 11:57:34,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.63/7.62 [2019-03-28 11:57:34,436 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.63/7.62 [2019-03-28 11:57:34,439 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.63/7.62 [2019-03-28 11:57:34,440 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 15.63/7.62 [2019-03-28 11:57:34,440 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.63/7.62 [2019-03-28 11:57:34,440 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.63/7.62 [2019-03-28 11:57:34,440 INFO L518 LassoAnalysis]: Proved termination. 15.63/7.62 [2019-03-28 11:57:34,440 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.63/7.62 Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~y~0 + 1 15.63/7.62 Supporting invariants [] 15.63/7.62 [2019-03-28 11:57:34,441 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.63/7.62 [2019-03-28 11:57:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.63/7.62 [2019-03-28 11:57:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.62 [2019-03-28 11:57:34,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core 15.63/7.62 [2019-03-28 11:57:34,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.62 [2019-03-28 11:57:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.63/7.62 [2019-03-28 11:57:34,466 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.63/7.62 [2019-03-28 11:57:34,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.63/7.62 [2019-03-28 11:57:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.63/7.62 [2019-03-28 11:57:34,467 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.63/7.62 [2019-03-28 11:57:34,467 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 15.63/7.62 [2019-03-28 11:57:34,468 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 19 states and 45 transitions. cyclomatic complexity: 28 Second operand 2 states. 15.63/7.62 [2019-03-28 11:57:34,539 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 19 states and 45 transitions. cyclomatic complexity: 28. Second operand 2 states. Result 48 states and 112 transitions. Complement of second has 4 states. 15.63/7.62 [2019-03-28 11:57:34,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.63/7.62 [2019-03-28 11:57:34,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 15.63/7.62 [2019-03-28 11:57:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. 15.63/7.62 [2019-03-28 11:57:34,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 1 letters. 15.63/7.62 [2019-03-28 11:57:34,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:34,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 6 letters. Loop has 1 letters. 15.63/7.62 [2019-03-28 11:57:34,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:34,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. 15.63/7.62 [2019-03-28 11:57:34,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.63/7.62 [2019-03-28 11:57:34,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 112 transitions. 15.63/7.62 [2019-03-28 11:57:34,545 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.63/7.62 [2019-03-28 11:57:34,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. 15.63/7.62 [2019-03-28 11:57:34,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.63/7.62 [2019-03-28 11:57:34,545 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.63/7.62 [2019-03-28 11:57:34,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.63/7.62 [2019-03-28 11:57:34,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.63/7.62 [2019-03-28 11:57:34,546 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.63/7.62 [2019-03-28 11:57:34,546 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.63/7.62 [2019-03-28 11:57:34,546 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.63/7.62 [2019-03-28 11:57:34,546 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.63/7.62 [2019-03-28 11:57:34,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.63/7.62 [2019-03-28 11:57:34,546 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.63/7.62 [2019-03-28 11:57:34,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.63/7.62 [2019-03-28 11:57:34,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:34 BasicIcfg 15.63/7.62 [2019-03-28 11:57:34,552 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.63/7.62 [2019-03-28 11:57:34,553 INFO L168 Benchmark]: Toolchain (without parser) took 3223.64 ms. Allocated memory was 649.6 MB in the beginning and 740.8 MB in the end (delta: 91.2 MB). Free memory was 559.5 MB in the beginning and 687.3 MB in the end (delta: -127.8 MB). There was no memory consumed. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,555 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.10 ms. Allocated memory was 649.6 MB in the beginning and 659.0 MB in the end (delta: 9.4 MB). Free memory was 558.4 MB in the beginning and 626.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.81 ms. Allocated memory is still 659.0 MB. Free memory was 626.8 MB in the beginning and 625.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,556 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 ms. Allocated memory is still 659.0 MB. Free memory was 625.7 MB in the beginning and 622.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,557 INFO L168 Benchmark]: RCFGBuilder took 202.79 ms. Allocated memory is still 659.0 MB. Free memory was 621.7 MB in the beginning and 608.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,558 INFO L168 Benchmark]: BlockEncodingV2 took 81.64 ms. Allocated memory is still 659.0 MB. Free memory was 608.2 MB in the beginning and 602.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,558 INFO L168 Benchmark]: TraceAbstraction took 157.73 ms. Allocated memory is still 659.0 MB. Free memory was 602.8 MB in the beginning and 593.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,559 INFO L168 Benchmark]: BuchiAutomizer took 2427.86 ms. Allocated memory was 659.0 MB in the beginning and 740.8 MB in the end (delta: 81.8 MB). Free memory was 593.1 MB in the beginning and 687.3 MB in the end (delta: -94.2 MB). There was no memory consumed. Max. memory is 50.3 GB. 15.63/7.62 [2019-03-28 11:57:34,564 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.63/7.62 --- Results --- 15.63/7.62 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.63/7.62 - StatisticsResult: Initial Icfg 15.63/7.62 9 locations, 14 edges 15.63/7.62 - StatisticsResult: Encoded RCFG 15.63/7.62 5 locations, 11 edges 15.63/7.62 * Results from de.uni_freiburg.informatik.ultimate.core: 15.63/7.62 - StatisticsResult: Toolchain Benchmarks 15.63/7.62 Benchmark results are: 15.63/7.62 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.63/7.62 * CACSL2BoogieTranslator took 292.10 ms. Allocated memory was 649.6 MB in the beginning and 659.0 MB in the end (delta: 9.4 MB). Free memory was 558.4 MB in the beginning and 626.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 15.63/7.62 * Boogie Procedure Inliner took 35.81 ms. Allocated memory is still 659.0 MB. Free memory was 626.8 MB in the beginning and 625.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 15.63/7.62 * Boogie Preprocessor took 20.35 ms. Allocated memory is still 659.0 MB. Free memory was 625.7 MB in the beginning and 622.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 50.3 GB. 15.63/7.62 * RCFGBuilder took 202.79 ms. Allocated memory is still 659.0 MB. Free memory was 621.7 MB in the beginning and 608.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.63/7.62 * BlockEncodingV2 took 81.64 ms. Allocated memory is still 659.0 MB. Free memory was 608.2 MB in the beginning and 602.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.63/7.62 * TraceAbstraction took 157.73 ms. Allocated memory is still 659.0 MB. Free memory was 602.8 MB in the beginning and 593.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 15.63/7.62 * BuchiAutomizer took 2427.86 ms. Allocated memory was 659.0 MB in the beginning and 740.8 MB in the end (delta: 81.8 MB). Free memory was 593.1 MB in the beginning and 687.3 MB in the end (delta: -94.2 MB). There was no memory consumed. Max. memory is 50.3 GB. 15.63/7.62 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.63/7.62 - AllSpecificationsHoldResult: All specifications hold 15.63/7.62 We were not able to verify any specifiation because the program does not contain any specification. 15.63/7.62 - InvariantResult [Line: 15]: Loop Invariant 15.63/7.62 Derived loop invariant: 1 15.63/7.62 - InvariantResult [Line: 19]: Loop Invariant 15.63/7.62 Derived loop invariant: 1 15.63/7.62 - InvariantResult [Line: 16]: Loop Invariant 15.63/7.62 Derived loop invariant: 1 15.63/7.62 - StatisticsResult: Ultimate Automizer benchmark data 15.63/7.62 CFG has 1 procedures, 5 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.63/7.62 - StatisticsResult: Constructed decomposition of program 15.63/7.62 Your program was decomposed into 4 terminating modules (0 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * y + 2 * n + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * n + -2 * y + 1 and consists of 3 locations. 15.63/7.62 - StatisticsResult: Timing statistics 15.63/7.62 BüchiAutomizer plugin needed 2.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 75 SDslu, 24 SDs, 0 SdLazy, 105 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s 15.63/7.62 - TerminationAnalysisResult: Termination proven 15.63/7.62 Buchi Automizer proved that your program is terminating 15.63/7.62 RESULT: Ultimate proved your program to be correct! 15.63/7.62 15.63/7.62 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:57:34.793 15.63/7.62 !MESSAGE The workspace will exit with unsaved changes in this session. 15.63/7.62 Received shutdown request... 15.63/7.62 Ultimate: 15.63/7.62 GTK+ Version Check 15.63/7.62 EOF