14.10/6.96 YES 14.10/6.96 14.10/6.96 Ultimate: Cannot open display: 14.10/6.96 This is Ultimate 0.1.24-8dc7c08-m 14.10/6.96 [2019-03-29 01:57:45,378 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.10/6.96 [2019-03-29 01:57:45,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.10/6.96 [2019-03-29 01:57:45,392 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.10/6.96 [2019-03-29 01:57:45,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.10/6.96 [2019-03-29 01:57:45,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.10/6.96 [2019-03-29 01:57:45,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.10/6.96 [2019-03-29 01:57:45,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.10/6.96 [2019-03-29 01:57:45,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.10/6.96 [2019-03-29 01:57:45,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.10/6.96 [2019-03-29 01:57:45,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.10/6.96 [2019-03-29 01:57:45,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.10/6.96 [2019-03-29 01:57:45,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.10/6.96 [2019-03-29 01:57:45,403 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.10/6.96 [2019-03-29 01:57:45,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.10/6.96 [2019-03-29 01:57:45,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.10/6.96 [2019-03-29 01:57:45,408 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.10/6.96 [2019-03-29 01:57:45,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.10/6.96 [2019-03-29 01:57:45,411 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.10/6.96 [2019-03-29 01:57:45,412 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.10/6.96 [2019-03-29 01:57:45,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,414 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.10/6.96 [2019-03-29 01:57:45,415 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.10/6.96 [2019-03-29 01:57:45,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.10/6.96 [2019-03-29 01:57:45,417 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.10/6.96 [2019-03-29 01:57:45,417 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.10/6.96 [2019-03-29 01:57:45,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.10/6.96 [2019-03-29 01:57:45,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.10/6.96 [2019-03-29 01:57:45,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.10/6.96 [2019-03-29 01:57:45,422 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.10/6.96 [2019-03-29 01:57:45,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.10/6.96 [2019-03-29 01:57:45,423 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.10/6.96 [2019-03-29 01:57:45,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.10/6.96 [2019-03-29 01:57:45,424 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 14.10/6.96 [2019-03-29 01:57:45,439 INFO L110 SettingsManager]: Loading preferences was successful 14.10/6.96 [2019-03-29 01:57:45,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.10/6.96 [2019-03-29 01:57:45,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.10/6.96 [2019-03-29 01:57:45,441 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.10/6.96 [2019-03-29 01:57:45,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.10/6.96 [2019-03-29 01:57:45,441 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.10/6.96 [2019-03-29 01:57:45,442 INFO L133 SettingsManager]: * Use SBE=true 14.10/6.96 [2019-03-29 01:57:45,442 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.10/6.96 [2019-03-29 01:57:45,442 INFO L133 SettingsManager]: * Use old map elimination=false 14.10/6.96 [2019-03-29 01:57:45,442 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.10/6.96 [2019-03-29 01:57:45,442 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.10/6.96 [2019-03-29 01:57:45,443 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.10/6.96 [2019-03-29 01:57:45,443 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.10/6.96 [2019-03-29 01:57:45,443 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.10/6.96 [2019-03-29 01:57:45,443 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:45,443 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.10/6.96 [2019-03-29 01:57:45,444 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.10/6.96 [2019-03-29 01:57:45,444 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.10/6.96 [2019-03-29 01:57:45,444 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.10/6.96 [2019-03-29 01:57:45,444 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.10/6.96 [2019-03-29 01:57:45,444 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.10/6.96 [2019-03-29 01:57:45,445 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.10/6.96 [2019-03-29 01:57:45,445 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.10/6.96 [2019-03-29 01:57:45,445 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.10/6.96 [2019-03-29 01:57:45,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.10/6.96 [2019-03-29 01:57:45,445 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.10/6.96 [2019-03-29 01:57:45,446 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.10/6.96 [2019-03-29 01:57:45,446 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.10/6.96 [2019-03-29 01:57:45,446 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.10/6.96 [2019-03-29 01:57:45,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.10/6.96 [2019-03-29 01:57:45,486 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.10/6.96 [2019-03-29 01:57:45,490 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.10/6.96 [2019-03-29 01:57:45,492 INFO L271 PluginConnector]: Initializing CDTParser... 14.10/6.96 [2019-03-29 01:57:45,492 INFO L276 PluginConnector]: CDTParser initialized 14.10/6.96 [2019-03-29 01:57:45,493 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 14.10/6.96 [2019-03-29 01:57:45,561 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ccb99a054db4445b8664e4b1e9f6c446/FLAG2840bd660 14.10/6.96 !SESSION 2019-03-29 01:57:42.604 ----------------------------------------------- 14.10/6.96 eclipse.buildId=unknown 14.10/6.96 java.version=1.8.0_181 14.10/6.96 java.vendor=Oracle Corporation 14.10/6.96 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.10/6.96 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.10/6.96 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 14.10/6.96 14.10/6.96 !ENTRY org.eclipse.cdt.core 1 0 2019-03-29 01:57:45.825 14.10/6.96 !MESSAGE Indexed 'FLAG2840bd660' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 14.10/6.96 [2019-03-29 01:57:45,902 INFO L307 CDTParser]: Found 1 translation units. 14.10/6.96 [2019-03-29 01:57:45,903 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 14.10/6.96 [2019-03-29 01:57:45,909 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ccb99a054db4445b8664e4b1e9f6c446/FLAG2840bd660 14.10/6.96 [2019-03-29 01:57:46,358 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ccb99a054db4445b8664e4b1e9f6c446 14.10/6.96 [2019-03-29 01:57:46,370 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.10/6.96 [2019-03-29 01:57:46,372 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.10/6.96 [2019-03-29 01:57:46,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.10/6.96 [2019-03-29 01:57:46,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.10/6.96 [2019-03-29 01:57:46,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.10/6.96 [2019-03-29 01:57:46,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f532624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:46,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.10/6.96 [2019-03-29 01:57:46,406 INFO L176 MainTranslator]: Built tables and reachable declarations 14.10/6.96 [2019-03-29 01:57:46,561 INFO L206 PostProcessor]: Analyzing one entry point: main 14.10/6.96 [2019-03-29 01:57:46,566 INFO L191 MainTranslator]: Completed pre-run 14.10/6.96 [2019-03-29 01:57:46,581 INFO L206 PostProcessor]: Analyzing one entry point: main 14.10/6.96 [2019-03-29 01:57:46,651 INFO L195 MainTranslator]: Completed translation 14.10/6.96 [2019-03-29 01:57:46,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46 WrapperNode 14.10/6.96 [2019-03-29 01:57:46,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.10/6.96 [2019-03-29 01:57:46,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.10/6.96 [2019-03-29 01:57:46,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.10/6.96 [2019-03-29 01:57:46,653 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.10/6.96 [2019-03-29 01:57:46,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.10/6.96 [2019-03-29 01:57:46,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.10/6.96 [2019-03-29 01:57:46,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.10/6.96 [2019-03-29 01:57:46,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.10/6.96 [2019-03-29 01:57:46,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.10/6.96 [2019-03-29 01:57:46,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.10/6.96 [2019-03-29 01:57:46,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.10/6.96 [2019-03-29 01:57:46,709 INFO L276 PluginConnector]: RCFGBuilder initialized 14.10/6.96 [2019-03-29 01:57:46,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (1/1) ... 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.10/6.96 [2019-03-29 01:57:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.10/6.96 [2019-03-29 01:57:46,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.10/6.96 [2019-03-29 01:57:46,902 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.10/6.96 [2019-03-29 01:57:46,902 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 14.10/6.96 [2019-03-29 01:57:46,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:46 BoogieIcfgContainer 14.10/6.96 [2019-03-29 01:57:46,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.10/6.96 [2019-03-29 01:57:46,904 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.10/6.96 [2019-03-29 01:57:46,905 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.10/6.96 [2019-03-29 01:57:46,907 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.10/6.96 [2019-03-29 01:57:46,908 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:46" (1/1) ... 14.10/6.96 [2019-03-29 01:57:46,923 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 14.10/6.96 [2019-03-29 01:57:46,925 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.10/6.96 [2019-03-29 01:57:46,926 INFO L263 BlockEncoder]: Using Maximize final states 14.10/6.96 [2019-03-29 01:57:46,928 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.10/6.96 [2019-03-29 01:57:46,928 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.10/6.96 [2019-03-29 01:57:46,930 INFO L296 BlockEncoder]: Using Remove sink states 14.10/6.96 [2019-03-29 01:57:46,931 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.10/6.96 [2019-03-29 01:57:46,931 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.10/6.96 [2019-03-29 01:57:46,946 INFO L185 BlockEncoder]: Using Use SBE 14.10/6.96 [2019-03-29 01:57:46,955 INFO L200 BlockEncoder]: SBE split 0 edges 14.10/6.96 [2019-03-29 01:57:46,960 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 14.10/6.96 [2019-03-29 01:57:46,962 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.10/6.96 [2019-03-29 01:57:46,975 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 14.10/6.96 [2019-03-29 01:57:46,977 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 14.10/6.96 [2019-03-29 01:57:46,978 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.10/6.96 [2019-03-29 01:57:46,979 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.10/6.96 [2019-03-29 01:57:46,984 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 14.10/6.96 [2019-03-29 01:57:46,984 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.10/6.96 [2019-03-29 01:57:46,984 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.10/6.96 [2019-03-29 01:57:46,985 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.10/6.96 [2019-03-29 01:57:46,985 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.10/6.96 [2019-03-29 01:57:46,985 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.10/6.96 [2019-03-29 01:57:46,985 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 14.10/6.96 [2019-03-29 01:57:46,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:57:46 BasicIcfg 14.10/6.96 [2019-03-29 01:57:46,986 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.10/6.96 [2019-03-29 01:57:46,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.10/6.96 [2019-03-29 01:57:46,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.10/6.96 [2019-03-29 01:57:46,991 INFO L276 PluginConnector]: TraceAbstraction initialized 14.10/6.96 [2019-03-29 01:57:46,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:57:46" (1/4) ... 14.10/6.96 [2019-03-29 01:57:46,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137a807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:57:46, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:46,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (2/4) ... 14.10/6.96 [2019-03-29 01:57:46,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137a807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:57:46, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:46,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:46" (3/4) ... 14.10/6.96 [2019-03-29 01:57:46,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137a807c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:57:46, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:46,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:57:46" (4/4) ... 14.10/6.96 [2019-03-29 01:57:46,995 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.10/6.96 [2019-03-29 01:57:47,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.10/6.96 [2019-03-29 01:57:47,014 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.10/6.96 [2019-03-29 01:57:47,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.10/6.96 [2019-03-29 01:57:47,064 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.10/6.96 [2019-03-29 01:57:47,064 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.10/6.96 [2019-03-29 01:57:47,065 INFO L383 AbstractCegarLoop]: Hoare is true 14.10/6.96 [2019-03-29 01:57:47,065 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.10/6.96 [2019-03-29 01:57:47,065 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.10/6.96 [2019-03-29 01:57:47,065 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.10/6.96 [2019-03-29 01:57:47,065 INFO L387 AbstractCegarLoop]: Difference is false 14.10/6.96 [2019-03-29 01:57:47,065 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.10/6.96 [2019-03-29 01:57:47,066 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.10/6.96 [2019-03-29 01:57:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 14.10/6.96 [2019-03-29 01:57:47,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.10/6.96 [2019-03-29 01:57:47,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 14.10/6.96 [2019-03-29 01:57:47,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.10/6.96 [2019-03-29 01:57:47,143 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 12) the Hoare annotation is: true 14.10/6.96 [2019-03-29 01:57:47,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:57:47 BasicIcfg 14.10/6.96 [2019-03-29 01:57:47,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.10/6.96 [2019-03-29 01:57:47,152 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.10/6.96 [2019-03-29 01:57:47,153 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.10/6.96 [2019-03-29 01:57:47,156 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.10/6.96 [2019-03-29 01:57:47,157 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.10/6.96 [2019-03-29 01:57:47,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:57:46" (1/5) ... 14.10/6.96 [2019-03-29 01:57:47,158 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f66f394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:57:47, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:47,159 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.10/6.96 [2019-03-29 01:57:47,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:57:46" (2/5) ... 14.10/6.96 [2019-03-29 01:57:47,159 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f66f394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:57:47, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:47,159 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.10/6.96 [2019-03-29 01:57:47,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:57:46" (3/5) ... 14.10/6.96 [2019-03-29 01:57:47,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f66f394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:57:47, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:47,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.10/6.96 [2019-03-29 01:57:47,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:57:46" (4/5) ... 14.10/6.96 [2019-03-29 01:57:47,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f66f394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:57:47, skipping insertion in model container 14.10/6.96 [2019-03-29 01:57:47,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.10/6.96 [2019-03-29 01:57:47,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:57:47" (5/5) ... 14.10/6.96 [2019-03-29 01:57:47,162 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.10/6.96 [2019-03-29 01:57:47,194 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.10/6.96 [2019-03-29 01:57:47,194 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.10/6.96 [2019-03-29 01:57:47,195 INFO L375 BuchiCegarLoop]: Hoare is true 14.10/6.96 [2019-03-29 01:57:47,195 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.10/6.96 [2019-03-29 01:57:47,195 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.10/6.96 [2019-03-29 01:57:47,195 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.10/6.96 [2019-03-29 01:57:47,195 INFO L379 BuchiCegarLoop]: Difference is false 14.10/6.96 [2019-03-29 01:57:47,195 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.10/6.96 [2019-03-29 01:57:47,195 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.10/6.96 [2019-03-29 01:57:47,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.10/6.96 [2019-03-29 01:57:47,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.10/6.96 [2019-03-29 01:57:47,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.10/6.96 [2019-03-29 01:57:47,218 INFO L119 BuchiIsEmpty]: Starting construction of run 14.10/6.96 [2019-03-29 01:57:47,224 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.10/6.96 [2019-03-29 01:57:47,225 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.10/6.96 [2019-03-29 01:57:47,225 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.10/6.96 [2019-03-29 01:57:47,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 14.10/6.96 [2019-03-29 01:57:47,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.10/6.96 [2019-03-29 01:57:47,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.10/6.96 [2019-03-29 01:57:47,226 INFO L119 BuchiIsEmpty]: Starting construction of run 14.10/6.96 [2019-03-29 01:57:47,226 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.10/6.96 [2019-03-29 01:57:47,226 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.10/6.96 [2019-03-29 01:57:47,231 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L10-2: Formula: (< 0 v_ULTIMATE.start_main_~x~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L10-2true 14.10/6.96 [2019-03-29 01:57:47,232 INFO L796 eck$LassoCheckResult]: Loop: 4#L10-2true [27] L10-2-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~x~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 4#L10-2true 14.10/6.96 [2019-03-29 01:57:47,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.10/6.96 [2019-03-29 01:57:47,238 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 14.10/6.96 [2019-03-29 01:57:47,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.10/6.96 [2019-03-29 01:57:47,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.10/6.96 [2019-03-29 01:57:47,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.10/6.96 [2019-03-29 01:57:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.10/6.96 [2019-03-29 01:57:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.10/6.96 [2019-03-29 01:57:47,311 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 14.10/6.96 [2019-03-29 01:57:47,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.10/6.96 [2019-03-29 01:57:47,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.10/6.96 [2019-03-29 01:57:47,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.10/6.96 [2019-03-29 01:57:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.10/6.96 [2019-03-29 01:57:47,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.10/6.96 [2019-03-29 01:57:47,330 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times 14.10/6.96 [2019-03-29 01:57:47,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.10/6.96 [2019-03-29 01:57:47,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.10/6.96 [2019-03-29 01:57:47,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.10/6.96 [2019-03-29 01:57:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.10/6.96 [2019-03-29 01:57:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.10/6.96 [2019-03-29 01:57:47,382 INFO L216 LassoAnalysis]: Preferences: 14.10/6.96 [2019-03-29 01:57:47,383 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.10/6.96 [2019-03-29 01:57:47,383 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.10/6.96 [2019-03-29 01:57:47,383 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.10/6.96 [2019-03-29 01:57:47,384 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.10/6.96 [2019-03-29 01:57:47,384 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,384 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.10/6.96 [2019-03-29 01:57:47,384 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.10/6.96 [2019-03-29 01:57:47,384 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 14.10/6.96 [2019-03-29 01:57:47,385 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.10/6.96 [2019-03-29 01:57:47,385 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.10/6.96 [2019-03-29 01:57:47,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:47,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:47,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:47,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:47,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:47,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:47,529 INFO L300 LassoAnalysis]: Preprocessing complete. 14.10/6.96 [2019-03-29 01:57:47,530 INFO L412 LassoAnalysis]: Checking for nontermination... 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,536 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,536 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 [2019-03-29 01:57:47,544 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.10/6.96 [2019-03-29 01:57:47,544 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,572 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 [2019-03-29 01:57:47,599 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.10/6.96 [2019-03-29 01:57:47,599 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,604 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,604 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 [2019-03-29 01:57:47,608 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.10/6.96 [2019-03-29 01:57:47,608 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,635 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,635 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 [2019-03-29 01:57:47,639 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.10/6.96 [2019-03-29 01:57:47,639 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,666 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,667 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 [2019-03-29 01:57:47,696 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.10/6.96 [2019-03-29 01:57:47,696 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,702 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 14.10/6.96 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.10/6.96 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:47,737 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.10/6.96 [2019-03-29 01:57:47,737 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.10/6.96 [2019-03-29 01:57:48,040 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.10/6.96 [2019-03-29 01:57:48,043 INFO L216 LassoAnalysis]: Preferences: 14.10/6.96 [2019-03-29 01:57:48,044 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.10/6.96 [2019-03-29 01:57:48,044 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.10/6.96 [2019-03-29 01:57:48,044 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.10/6.96 [2019-03-29 01:57:48,044 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.10/6.96 [2019-03-29 01:57:48,044 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.10/6.96 [2019-03-29 01:57:48,044 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.10/6.96 [2019-03-29 01:57:48,045 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.10/6.96 [2019-03-29 01:57:48,045 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 14.10/6.96 [2019-03-29 01:57:48,045 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.10/6.96 [2019-03-29 01:57:48,045 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.10/6.96 [2019-03-29 01:57:48,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:48,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:48,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:48,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:48,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:48,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.10/6.96 [2019-03-29 01:57:48,133 INFO L300 LassoAnalysis]: Preprocessing complete. 14.10/6.96 [2019-03-29 01:57:48,139 INFO L497 LassoAnalysis]: Using template 'affine'. 14.10/6.96 [2019-03-29 01:57:48,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.10/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.10/6.96 Number of strict supporting invariants: 0 14.10/6.96 Number of non-strict supporting invariants: 1 14.10/6.96 Consider only non-deceasing supporting invariants: true 14.10/6.96 Simplify termination arguments: true 14.10/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.10/6.96 [2019-03-29 01:57:48,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.10/6.96 [2019-03-29 01:57:48,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.10/6.96 [2019-03-29 01:57:48,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.10/6.96 [2019-03-29 01:57:48,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.10/6.96 [2019-03-29 01:57:48,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.10/6.96 [2019-03-29 01:57:48,183 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.10/6.96 [2019-03-29 01:57:48,183 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.10/6.96 [2019-03-29 01:57:48,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.10/6.96 [2019-03-29 01:57:48,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.10/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.10/6.96 Number of strict supporting invariants: 0 14.10/6.96 Number of non-strict supporting invariants: 1 14.10/6.96 Consider only non-deceasing supporting invariants: true 14.10/6.96 Simplify termination arguments: true 14.10/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.10/6.96 [2019-03-29 01:57:48,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.10/6.96 [2019-03-29 01:57:48,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.10/6.96 [2019-03-29 01:57:48,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.10/6.96 [2019-03-29 01:57:48,188 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.10/6.96 [2019-03-29 01:57:48,191 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.10/6.96 [2019-03-29 01:57:48,191 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.10/6.96 [2019-03-29 01:57:48,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.10/6.96 [2019-03-29 01:57:48,197 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.10/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.10/6.96 Number of strict supporting invariants: 0 14.10/6.96 Number of non-strict supporting invariants: 1 14.10/6.96 Consider only non-deceasing supporting invariants: true 14.10/6.96 Simplify termination arguments: true 14.10/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.10/6.96 [2019-03-29 01:57:48,198 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.10/6.96 [2019-03-29 01:57:48,198 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.10/6.96 [2019-03-29 01:57:48,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.10/6.96 [2019-03-29 01:57:48,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.10/6.96 [2019-03-29 01:57:48,199 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.10/6.96 [2019-03-29 01:57:48,199 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.10/6.96 [2019-03-29 01:57:48,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.10/6.96 [2019-03-29 01:57:48,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.10/6.96 [2019-03-29 01:57:48,201 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.10/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.10/6.96 Number of strict supporting invariants: 0 14.10/6.96 Number of non-strict supporting invariants: 1 14.10/6.96 Consider only non-deceasing supporting invariants: true 14.10/6.96 Simplify termination arguments: true 14.10/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.10/6.96 [2019-03-29 01:57:48,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.10/6.96 [2019-03-29 01:57:48,201 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.10/6.96 [2019-03-29 01:57:48,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.10/6.96 [2019-03-29 01:57:48,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.10/6.96 [2019-03-29 01:57:48,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.10/6.96 [2019-03-29 01:57:48,202 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.10/6.96 [2019-03-29 01:57:48,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.10/6.96 [2019-03-29 01:57:48,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.10/6.96 [2019-03-29 01:57:48,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.10/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.10/6.96 Number of strict supporting invariants: 0 14.10/6.96 Number of non-strict supporting invariants: 1 14.10/6.96 Consider only non-deceasing supporting invariants: true 14.10/6.96 Simplify termination arguments: true 14.10/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.10/6.96 [2019-03-29 01:57:48,205 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.10/6.96 [2019-03-29 01:57:48,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.10/6.96 [2019-03-29 01:57:48,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.10/6.96 [2019-03-29 01:57:48,205 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.10/6.96 [2019-03-29 01:57:48,208 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.10/6.96 [2019-03-29 01:57:48,208 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.10/6.96 [2019-03-29 01:57:48,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.10/6.96 [2019-03-29 01:57:48,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.10/6.96 Termination analysis: LINEAR_WITH_GUESSES 14.10/6.96 Number of strict supporting invariants: 0 14.10/6.96 Number of non-strict supporting invariants: 1 14.10/6.96 Consider only non-deceasing supporting invariants: true 14.10/6.96 Simplify termination arguments: true 14.10/6.96 Simplify supporting invariants: trueOverapproximate stem: false 14.10/6.96 [2019-03-29 01:57:48,217 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.10/6.96 [2019-03-29 01:57:48,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.10/6.96 [2019-03-29 01:57:48,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.10/6.96 [2019-03-29 01:57:48,218 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.10/6.96 [2019-03-29 01:57:48,221 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 14.10/6.96 [2019-03-29 01:57:48,221 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 14.10/6.96 [2019-03-29 01:57:48,258 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.10/6.96 [2019-03-29 01:57:48,279 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 14.10/6.96 [2019-03-29 01:57:48,280 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. 14.10/6.96 [2019-03-29 01:57:48,282 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.10/6.96 [2019-03-29 01:57:48,286 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 14.10/6.96 [2019-03-29 01:57:48,287 INFO L518 LassoAnalysis]: Proved termination. 14.10/6.96 [2019-03-29 01:57:48,287 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.10/6.96 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 14.10/6.96 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] 14.10/6.96 [2019-03-29 01:57:48,292 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 14.10/6.96 [2019-03-29 01:57:48,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.10/6.96 [2019-03-29 01:57:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.10/6.96 [2019-03-29 01:57:48,349 WARN L254 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 3 conjunts are in the unsatisfiable core 14.10/6.96 [2019-03-29 01:57:48,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.10/6.96 [2019-03-29 01:57:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.10/6.96 [2019-03-29 01:57:48,360 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 14.10/6.96 [2019-03-29 01:57:48,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.10/6.96 [2019-03-29 01:57:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.10/6.96 [2019-03-29 01:57:48,385 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.10/6.96 [2019-03-29 01:57:48,390 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 2 loop predicates 14.10/6.96 [2019-03-29 01:57:48,391 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 14.10/6.96 [2019-03-29 01:57:48,432 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 14.10/6.96 [2019-03-29 01:57:48,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 14.10/6.96 [2019-03-29 01:57:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.10/6.96 [2019-03-29 01:57:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 14.10/6.96 [2019-03-29 01:57:48,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 14.10/6.96 [2019-03-29 01:57:48,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.10/6.96 [2019-03-29 01:57:48,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 14.10/6.96 [2019-03-29 01:57:48,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.10/6.96 [2019-03-29 01:57:48,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 14.10/6.96 [2019-03-29 01:57:48,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.10/6.96 [2019-03-29 01:57:48,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 14.10/6.96 [2019-03-29 01:57:48,443 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.10/6.96 [2019-03-29 01:57:48,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 14.10/6.96 [2019-03-29 01:57:48,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.10/6.96 [2019-03-29 01:57:48,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.10/6.96 [2019-03-29 01:57:48,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.10/6.96 [2019-03-29 01:57:48,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.10/6.96 [2019-03-29 01:57:48,448 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.10/6.96 [2019-03-29 01:57:48,448 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.10/6.96 [2019-03-29 01:57:48,448 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.10/6.96 [2019-03-29 01:57:48,449 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.10/6.96 [2019-03-29 01:57:48,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.10/6.96 [2019-03-29 01:57:48,449 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.10/6.96 [2019-03-29 01:57:48,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.10/6.96 [2019-03-29 01:57:48,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:57:48 BasicIcfg 14.10/6.96 [2019-03-29 01:57:48,455 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.10/6.96 [2019-03-29 01:57:48,455 INFO L168 Benchmark]: Toolchain (without parser) took 2085.00 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 563.9 MB in the beginning and 493.3 MB in the end (delta: 70.6 MB). Peak memory consumption was 76.9 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,457 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.81 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 563.9 MB in the beginning and 623.3 MB in the end (delta: -59.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 655.9 MB. Free memory was 623.3 MB in the beginning and 622.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,459 INFO L168 Benchmark]: Boogie Preprocessor took 19.99 ms. Allocated memory is still 655.9 MB. Free memory was 622.0 MB in the beginning and 618.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,460 INFO L168 Benchmark]: RCFGBuilder took 195.82 ms. Allocated memory is still 655.9 MB. Free memory was 618.9 MB in the beginning and 604.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,460 INFO L168 Benchmark]: BlockEncodingV2 took 81.80 ms. Allocated memory is still 655.9 MB. Free memory was 604.8 MB in the beginning and 600.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,461 INFO L168 Benchmark]: TraceAbstraction took 164.77 ms. Allocated memory is still 655.9 MB. Free memory was 599.4 MB in the beginning and 591.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,462 INFO L168 Benchmark]: BuchiAutomizer took 1302.66 ms. Allocated memory is still 655.9 MB. Free memory was 591.3 MB in the beginning and 493.3 MB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 50.3 GB. 14.10/6.96 [2019-03-29 01:57:48,466 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.10/6.96 --- Results --- 14.10/6.96 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.10/6.96 - StatisticsResult: Initial Icfg 14.10/6.96 7 locations, 9 edges 14.10/6.96 - StatisticsResult: Encoded RCFG 14.10/6.96 2 locations, 2 edges 14.10/6.96 * Results from de.uni_freiburg.informatik.ultimate.core: 14.10/6.96 - StatisticsResult: Toolchain Benchmarks 14.10/6.96 Benchmark results are: 14.10/6.96 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.10/6.96 * CACSL2BoogieTranslator took 279.81 ms. Allocated memory was 649.6 MB in the beginning and 655.9 MB in the end (delta: 6.3 MB). Free memory was 563.9 MB in the beginning and 623.3 MB in the end (delta: -59.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 50.3 GB. 14.10/6.96 * Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 655.9 MB. Free memory was 623.3 MB in the beginning and 622.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 14.10/6.96 * Boogie Preprocessor took 19.99 ms. Allocated memory is still 655.9 MB. Free memory was 622.0 MB in the beginning and 618.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 14.10/6.96 * RCFGBuilder took 195.82 ms. Allocated memory is still 655.9 MB. Free memory was 618.9 MB in the beginning and 604.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 50.3 GB. 14.10/6.96 * BlockEncodingV2 took 81.80 ms. Allocated memory is still 655.9 MB. Free memory was 604.8 MB in the beginning and 600.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 50.3 GB. 14.10/6.96 * TraceAbstraction took 164.77 ms. Allocated memory is still 655.9 MB. Free memory was 599.4 MB in the beginning and 591.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 14.10/6.96 * BuchiAutomizer took 1302.66 ms. Allocated memory is still 655.9 MB. Free memory was 591.3 MB in the beginning and 493.3 MB in the end (delta: 98.0 MB). Peak memory consumption was 98.0 MB. Max. memory is 50.3 GB. 14.10/6.96 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.10/6.96 - AllSpecificationsHoldResult: All specifications hold 14.10/6.96 We were not able to verify any specifiation because the program does not contain any specification. 14.10/6.96 - InvariantResult [Line: 10]: Loop Invariant 14.10/6.96 Derived loop invariant: 1 14.10/6.96 - StatisticsResult: Ultimate Automizer benchmark data 14.10/6.96 CFG has 1 procedures, 2 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=2occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.10/6.96 - StatisticsResult: Constructed decomposition of program 14.10/6.96 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function x + -1 * y and consists of 2 locations. 14.10/6.96 - StatisticsResult: Timing statistics 14.10/6.96 BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax208 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie123 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 14.10/6.96 - TerminationAnalysisResult: Termination proven 14.10/6.96 Buchi Automizer proved that your program is terminating 14.10/6.96 RESULT: Ultimate proved your program to be correct! 14.10/6.96 14.10/6.96 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:57:48.693 14.10/6.96 !MESSAGE The workspace will exit with unsaved changes in this session. 14.10/6.96 Received shutdown request... 14.10/6.96 Ultimate: 14.10/6.96 GTK+ Version Check 14.10/6.96 EOF