16.70/9.24 YES 16.70/9.24 16.70/9.24 Ultimate: Cannot open display: 16.70/9.24 This is Ultimate 0.1.24-8dc7c08-m 16.70/9.24 [2019-03-28 22:35:01,257 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.70/9.24 [2019-03-28 22:35:01,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.70/9.24 [2019-03-28 22:35:01,270 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.70/9.24 [2019-03-28 22:35:01,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.70/9.24 [2019-03-28 22:35:01,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.70/9.24 [2019-03-28 22:35:01,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.70/9.24 [2019-03-28 22:35:01,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.70/9.24 [2019-03-28 22:35:01,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.70/9.24 [2019-03-28 22:35:01,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.70/9.24 [2019-03-28 22:35:01,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.70/9.24 [2019-03-28 22:35:01,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.70/9.24 [2019-03-28 22:35:01,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.70/9.24 [2019-03-28 22:35:01,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.70/9.24 [2019-03-28 22:35:01,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.70/9.24 [2019-03-28 22:35:01,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.70/9.24 [2019-03-28 22:35:01,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.70/9.24 [2019-03-28 22:35:01,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.70/9.24 [2019-03-28 22:35:01,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.70/9.24 [2019-03-28 22:35:01,289 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.70/9.24 [2019-03-28 22:35:01,291 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.70/9.24 [2019-03-28 22:35:01,293 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.70/9.24 [2019-03-28 22:35:01,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.70/9.24 [2019-03-28 22:35:01,294 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.70/9.24 [2019-03-28 22:35:01,295 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.70/9.24 [2019-03-28 22:35:01,295 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.70/9.24 [2019-03-28 22:35:01,296 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.70/9.24 [2019-03-28 22:35:01,297 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.70/9.24 [2019-03-28 22:35:01,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.70/9.24 [2019-03-28 22:35:01,298 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.70/9.24 [2019-03-28 22:35:01,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.70/9.24 [2019-03-28 22:35:01,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.70/9.24 [2019-03-28 22:35:01,300 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.70/9.24 [2019-03-28 22:35:01,315 INFO L110 SettingsManager]: Loading preferences was successful 16.70/9.24 [2019-03-28 22:35:01,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.70/9.24 [2019-03-28 22:35:01,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.70/9.24 [2019-03-28 22:35:01,317 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.70/9.24 [2019-03-28 22:35:01,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.70/9.24 [2019-03-28 22:35:01,317 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.70/9.24 [2019-03-28 22:35:01,317 INFO L133 SettingsManager]: * Use SBE=true 16.70/9.24 [2019-03-28 22:35:01,318 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.70/9.24 [2019-03-28 22:35:01,318 INFO L133 SettingsManager]: * Use old map elimination=false 16.70/9.24 [2019-03-28 22:35:01,318 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.70/9.24 [2019-03-28 22:35:01,318 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.70/9.24 [2019-03-28 22:35:01,318 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.70/9.24 [2019-03-28 22:35:01,319 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.70/9.24 [2019-03-28 22:35:01,319 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.70/9.24 [2019-03-28 22:35:01,319 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:01,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.70/9.24 [2019-03-28 22:35:01,319 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.70/9.24 [2019-03-28 22:35:01,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.70/9.24 [2019-03-28 22:35:01,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.70/9.24 [2019-03-28 22:35:01,320 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.70/9.24 [2019-03-28 22:35:01,320 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.70/9.24 [2019-03-28 22:35:01,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.70/9.24 [2019-03-28 22:35:01,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.70/9.24 [2019-03-28 22:35:01,321 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.70/9.24 [2019-03-28 22:35:01,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.70/9.24 [2019-03-28 22:35:01,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.70/9.24 [2019-03-28 22:35:01,321 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.70/9.24 [2019-03-28 22:35:01,322 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.70/9.24 [2019-03-28 22:35:01,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.70/9.24 [2019-03-28 22:35:01,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.70/9.24 [2019-03-28 22:35:01,361 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.70/9.24 [2019-03-28 22:35:01,365 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.70/9.24 [2019-03-28 22:35:01,366 INFO L271 PluginConnector]: Initializing CDTParser... 16.70/9.24 [2019-03-28 22:35:01,367 INFO L276 PluginConnector]: CDTParser initialized 16.70/9.24 [2019-03-28 22:35:01,367 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.70/9.24 [2019-03-28 22:35:02,510 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/5f114f5f307448e3b77d90da5eebab50/FLAG265a22c1a 16.70/9.24 !SESSION 2019-03-28 22:34:58.160 ----------------------------------------------- 16.70/9.24 eclipse.buildId=unknown 16.70/9.24 java.version=1.8.0_181 16.70/9.24 java.vendor=Oracle Corporation 16.70/9.24 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.70/9.24 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.70/9.24 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.70/9.24 16.70/9.24 !ENTRY org.eclipse.cdt.core 1 0 2019-03-28 22:35:02.669 16.70/9.24 !MESSAGE Indexed 'FLAG265a22c1a' (0 sources, 0 headers) in 0.002 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) 16.70/9.24 [2019-03-28 22:35:02,895 INFO L307 CDTParser]: Found 1 translation units. 16.70/9.24 [2019-03-28 22:35:02,896 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.70/9.24 [2019-03-28 22:35:02,903 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/5f114f5f307448e3b77d90da5eebab50/FLAG265a22c1a 16.70/9.24 [2019-03-28 22:35:03,320 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/5f114f5f307448e3b77d90da5eebab50 16.70/9.24 [2019-03-28 22:35:03,331 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.70/9.24 [2019-03-28 22:35:03,333 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.70/9.24 [2019-03-28 22:35:03,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.70/9.24 [2019-03-28 22:35:03,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.70/9.24 [2019-03-28 22:35:03,338 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.70/9.24 [2019-03-28 22:35:03,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ca96d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:03,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.70/9.24 [2019-03-28 22:35:03,367 INFO L176 MainTranslator]: Built tables and reachable declarations 16.70/9.24 [2019-03-28 22:35:03,527 INFO L206 PostProcessor]: Analyzing one entry point: main 16.70/9.24 [2019-03-28 22:35:03,532 INFO L191 MainTranslator]: Completed pre-run 16.70/9.24 [2019-03-28 22:35:03,548 INFO L206 PostProcessor]: Analyzing one entry point: main 16.70/9.24 [2019-03-28 22:35:03,629 INFO L195 MainTranslator]: Completed translation 16.70/9.24 [2019-03-28 22:35:03,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03 WrapperNode 16.70/9.24 [2019-03-28 22:35:03,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.70/9.24 [2019-03-28 22:35:03,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.70/9.24 [2019-03-28 22:35:03,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.70/9.24 [2019-03-28 22:35:03,633 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.70/9.24 [2019-03-28 22:35:03,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.70/9.24 [2019-03-28 22:35:03,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.70/9.24 [2019-03-28 22:35:03,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.70/9.24 [2019-03-28 22:35:03,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.70/9.24 [2019-03-28 22:35:03,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.70/9.24 [2019-03-28 22:35:03,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.70/9.24 [2019-03-28 22:35:03,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.70/9.24 [2019-03-28 22:35:03,694 INFO L276 PluginConnector]: RCFGBuilder initialized 16.70/9.24 [2019-03-28 22:35:03,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (1/1) ... 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.70/9.24 [2019-03-28 22:35:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.70/9.24 [2019-03-28 22:35:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.70/9.24 [2019-03-28 22:35:03,898 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.70/9.24 [2019-03-28 22:35:03,899 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 16.70/9.24 [2019-03-28 22:35:03,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:03 BoogieIcfgContainer 16.70/9.24 [2019-03-28 22:35:03,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.70/9.24 [2019-03-28 22:35:03,901 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.70/9.24 [2019-03-28 22:35:03,901 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.70/9.24 [2019-03-28 22:35:03,904 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.70/9.24 [2019-03-28 22:35:03,904 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:03" (1/1) ... 16.70/9.24 [2019-03-28 22:35:03,920 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 16.70/9.24 [2019-03-28 22:35:03,922 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.70/9.24 [2019-03-28 22:35:03,922 INFO L263 BlockEncoder]: Using Maximize final states 16.70/9.24 [2019-03-28 22:35:03,923 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.70/9.24 [2019-03-28 22:35:03,923 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.70/9.24 [2019-03-28 22:35:03,925 INFO L296 BlockEncoder]: Using Remove sink states 16.70/9.24 [2019-03-28 22:35:03,926 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.70/9.24 [2019-03-28 22:35:03,926 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.70/9.24 [2019-03-28 22:35:03,943 INFO L185 BlockEncoder]: Using Use SBE 16.70/9.24 [2019-03-28 22:35:03,958 INFO L200 BlockEncoder]: SBE split 1 edges 16.70/9.24 [2019-03-28 22:35:03,963 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 16.70/9.24 [2019-03-28 22:35:03,965 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.70/9.24 [2019-03-28 22:35:03,980 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 16.70/9.24 [2019-03-28 22:35:03,983 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 16.70/9.24 [2019-03-28 22:35:03,985 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.70/9.24 [2019-03-28 22:35:03,985 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.70/9.24 [2019-03-28 22:35:03,985 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.70/9.24 [2019-03-28 22:35:03,985 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.70/9.24 [2019-03-28 22:35:03,986 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 16.70/9.24 [2019-03-28 22:35:03,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:03 BasicIcfg 16.70/9.24 [2019-03-28 22:35:03,986 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.70/9.24 [2019-03-28 22:35:03,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.70/9.24 [2019-03-28 22:35:03,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.70/9.24 [2019-03-28 22:35:03,991 INFO L276 PluginConnector]: TraceAbstraction initialized 16.70/9.24 [2019-03-28 22:35:03,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:35:03" (1/4) ... 16.70/9.24 [2019-03-28 22:35:03,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb81234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:03, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:03,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (2/4) ... 16.70/9.24 [2019-03-28 22:35:03,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb81234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:35:03, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:03,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:03" (3/4) ... 16.70/9.24 [2019-03-28 22:35:03,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb81234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:03, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:03,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:03" (4/4) ... 16.70/9.24 [2019-03-28 22:35:03,996 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.70/9.24 [2019-03-28 22:35:04,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.70/9.24 [2019-03-28 22:35:04,015 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.70/9.24 [2019-03-28 22:35:04,035 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.70/9.24 [2019-03-28 22:35:04,065 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.70/9.24 [2019-03-28 22:35:04,066 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.70/9.24 [2019-03-28 22:35:04,066 INFO L383 AbstractCegarLoop]: Hoare is true 16.70/9.24 [2019-03-28 22:35:04,066 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.70/9.24 [2019-03-28 22:35:04,066 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.70/9.24 [2019-03-28 22:35:04,066 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.70/9.24 [2019-03-28 22:35:04,067 INFO L387 AbstractCegarLoop]: Difference is false 16.70/9.24 [2019-03-28 22:35:04,067 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.70/9.24 [2019-03-28 22:35:04,067 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.70/9.24 [2019-03-28 22:35:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 16.70/9.24 [2019-03-28 22:35:04,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.70/9.24 [2019-03-28 22:35:04,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 16.70/9.24 [2019-03-28 22:35:04,140 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 20) no Hoare annotation was computed. 16.70/9.24 [2019-03-28 22:35:04,140 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.70/9.24 [2019-03-28 22:35:04,141 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 12 21) the Hoare annotation is: true 16.70/9.24 [2019-03-28 22:35:04,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:04 BasicIcfg 16.70/9.24 [2019-03-28 22:35:04,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.70/9.24 [2019-03-28 22:35:04,149 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.70/9.24 [2019-03-28 22:35:04,150 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.70/9.24 [2019-03-28 22:35:04,153 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.70/9.24 [2019-03-28 22:35:04,154 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.70/9.24 [2019-03-28 22:35:04,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:35:03" (1/5) ... 16.70/9.24 [2019-03-28 22:35:04,154 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60f57176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:04, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:04,155 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.70/9.24 [2019-03-28 22:35:04,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:35:03" (2/5) ... 16.70/9.24 [2019-03-28 22:35:04,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60f57176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:35:04, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:04,155 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.70/9.24 [2019-03-28 22:35:04,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:35:03" (3/5) ... 16.70/9.24 [2019-03-28 22:35:04,156 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60f57176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:04, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:04,156 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.70/9.24 [2019-03-28 22:35:04,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:35:03" (4/5) ... 16.70/9.24 [2019-03-28 22:35:04,156 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60f57176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:04, skipping insertion in model container 16.70/9.24 [2019-03-28 22:35:04,156 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.70/9.24 [2019-03-28 22:35:04,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:35:04" (5/5) ... 16.70/9.24 [2019-03-28 22:35:04,158 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.70/9.24 [2019-03-28 22:35:04,186 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.70/9.24 [2019-03-28 22:35:04,186 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.70/9.24 [2019-03-28 22:35:04,186 INFO L375 BuchiCegarLoop]: Hoare is true 16.70/9.24 [2019-03-28 22:35:04,186 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.70/9.24 [2019-03-28 22:35:04,187 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.70/9.24 [2019-03-28 22:35:04,187 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.70/9.24 [2019-03-28 22:35:04,187 INFO L379 BuchiCegarLoop]: Difference is false 16.70/9.24 [2019-03-28 22:35:04,187 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.70/9.24 [2019-03-28 22:35:04,187 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.70/9.24 [2019-03-28 22:35:04,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.70/9.24 [2019-03-28 22:35:04,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.70/9.24 [2019-03-28 22:35:04,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.70/9.24 [2019-03-28 22:35:04,210 INFO L119 BuchiIsEmpty]: Starting construction of run 16.70/9.24 [2019-03-28 22:35:04,215 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.70/9.24 [2019-03-28 22:35:04,216 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.70/9.24 [2019-03-28 22:35:04,216 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.70/9.24 [2019-03-28 22:35:04,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 16.70/9.24 [2019-03-28 22:35:04,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.70/9.24 [2019-03-28 22:35:04,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.70/9.24 [2019-03-28 22:35:04,217 INFO L119 BuchiIsEmpty]: Starting construction of run 16.70/9.24 [2019-03-28 22:35:04,217 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.70/9.24 [2019-03-28 22:35:04,217 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.70/9.24 [2019-03-28 22:35:04,222 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~random~0, ULTIMATE.start_main_~x~0] 4#L14-2true 16.70/9.24 [2019-03-28 22:35:04,223 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [28] L14-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~random~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_4, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~random~0] 5#L14true [34] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 (- 1))) (>= v_ULTIMATE.start_main_~random~0_7 42)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 4#L14-2true 16.70/9.24 [2019-03-28 22:35:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:04,229 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 16.70/9.24 [2019-03-28 22:35:04,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:04,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:04,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:04,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1863, now seen corresponding path program 1 times 16.70/9.24 [2019-03-28 22:35:04,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:04,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:04,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:04,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:04,320 INFO L82 PathProgramCache]: Analyzing trace with hash 54718, now seen corresponding path program 1 times 16.70/9.24 [2019-03-28 22:35:04,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:04,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:04,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:04,392 INFO L216 LassoAnalysis]: Preferences: 16.70/9.24 [2019-03-28 22:35:04,393 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.70/9.24 [2019-03-28 22:35:04,393 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.70/9.24 [2019-03-28 22:35:04,394 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.70/9.24 [2019-03-28 22:35:04,394 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.70/9.24 [2019-03-28 22:35:04,394 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,394 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.70/9.24 [2019-03-28 22:35:04,394 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.70/9.24 [2019-03-28 22:35:04,395 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.70/9.24 [2019-03-28 22:35:04,395 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.70/9.24 [2019-03-28 22:35:04,395 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.70/9.24 [2019-03-28 22:35:04,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,556 INFO L300 LassoAnalysis]: Preprocessing complete. 16.70/9.24 [2019-03-28 22:35:04,557 INFO L412 LassoAnalysis]: Checking for nontermination... 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,566 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:04,566 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:04,578 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:04,579 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0=43, ULTIMATE.start_main_#t~nondet2=43} Honda state: {ULTIMATE.start_main_~random~0=43, ULTIMATE.start_main_#t~nondet2=43} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,611 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:04,611 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:04,639 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:04,639 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: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,645 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:04,646 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:04,674 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:04,675 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: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,682 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:04,682 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:04,710 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:04,710 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:04,716 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,747 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:04,747 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:04,778 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.70/9.24 [2019-03-28 22:35:04,780 INFO L216 LassoAnalysis]: Preferences: 16.70/9.24 [2019-03-28 22:35:04,780 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.70/9.24 [2019-03-28 22:35:04,780 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.70/9.24 [2019-03-28 22:35:04,780 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.70/9.24 [2019-03-28 22:35:04,780 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.70/9.24 [2019-03-28 22:35:04,780 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:04,780 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.70/9.24 [2019-03-28 22:35:04,781 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.70/9.24 [2019-03-28 22:35:04,781 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.70/9.24 [2019-03-28 22:35:04,781 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.70/9.24 [2019-03-28 22:35:04,781 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.70/9.24 [2019-03-28 22:35:04,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:04,877 INFO L300 LassoAnalysis]: Preprocessing complete. 16.70/9.24 [2019-03-28 22:35:04,883 INFO L497 LassoAnalysis]: Using template 'affine'. 16.70/9.24 [2019-03-28 22:35:04,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:04,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:04,886 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:04,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:04,887 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:04,891 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:04,891 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:04,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:04,900 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:04,901 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:04,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:04,901 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:04,902 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:04,904 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:04,904 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:04,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:04,913 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:04,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:04,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:04,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:04,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:04,915 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:04,915 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:04,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:04,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:04,917 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:04,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:04,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:04,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:04,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:04,918 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:04,919 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:04,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:04,925 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:04,925 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:04,926 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:04,926 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:04,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:04,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:04,927 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:04,927 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:04,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:04,935 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.70/9.24 [2019-03-28 22:35:04,938 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.70/9.24 [2019-03-28 22:35:04,938 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.70/9.24 [2019-03-28 22:35:04,940 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.70/9.24 [2019-03-28 22:35:04,940 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.70/9.24 [2019-03-28 22:35:04,941 INFO L518 LassoAnalysis]: Proved termination. 16.70/9.24 [2019-03-28 22:35:04,941 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.70/9.24 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 16.70/9.24 Supporting invariants [] 16.70/9.24 [2019-03-28 22:35:04,943 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.70/9.24 [2019-03-28 22:35:04,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.70/9.24 [2019-03-28 22:35:04,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 16.70/9.24 [2019-03-28 22:35:04,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.70/9.24 [2019-03-28 22:35:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.70/9.24 [2019-03-28 22:35:04,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 16.70/9.24 [2019-03-28 22:35:04,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.70/9.24 [2019-03-28 22:35:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.70/9.24 [2019-03-28 22:35:05,034 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.70/9.24 [2019-03-28 22:35:05,039 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 16.70/9.24 [2019-03-28 22:35:05,041 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 16.70/9.24 [2019-03-28 22:35:05,071 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 16.70/9.24 [2019-03-28 22:35:05,071 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 16.70/9.24 [2019-03-28 22:35:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.70/9.24 [2019-03-28 22:35:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 16.70/9.24 [2019-03-28 22:35:05,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 16.70/9.24 [2019-03-28 22:35:05,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:05,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 16.70/9.24 [2019-03-28 22:35:05,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:05,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 16.70/9.24 [2019-03-28 22:35:05,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:05,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.70/9.24 [2019-03-28 22:35:05,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.70/9.24 [2019-03-28 22:35:05,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 16.70/9.24 [2019-03-28 22:35:05,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.70/9.24 [2019-03-28 22:35:05,090 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 16.70/9.24 [2019-03-28 22:35:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 16.70/9.24 [2019-03-28 22:35:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,120 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,120 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,120 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.70/9.24 [2019-03-28 22:35:05,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 16.70/9.24 [2019-03-28 22:35:05,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.70/9.24 [2019-03-28 22:35:05,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.70/9.24 [2019-03-28 22:35:05,121 INFO L119 BuchiIsEmpty]: Starting construction of run 16.70/9.24 [2019-03-28 22:35:05,121 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 16.70/9.24 [2019-03-28 22:35:05,122 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.70/9.24 [2019-03-28 22:35:05,122 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_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_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|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_~y~0, ULTIMATE.start_main_~random~0, ULTIMATE.start_main_~x~0] 44#L14-2 [28] L14-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~random~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_4, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~random~0] 49#L14 [31] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~random~0_5) (< v_ULTIMATE.start_main_~random~0_6 42) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1))) (= v_ULTIMATE.start_main_~random~0_5 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~random~0, ULTIMATE.start_main_~x~0] 45#L14-2 16.70/9.24 [2019-03-28 22:35:05,122 INFO L796 eck$LassoCheckResult]: Loop: 45#L14-2 [28] L14-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~random~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_4, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~random~0] 46#L14 [34] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 (- 1))) (>= v_ULTIMATE.start_main_~random~0_7 42)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 45#L14-2 16.70/9.24 [2019-03-28 22:35:05,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,123 INFO L82 PathProgramCache]: Analyzing trace with hash 54715, now seen corresponding path program 1 times 16.70/9.24 [2019-03-28 22:35:05,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:05,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:05,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1863, now seen corresponding path program 2 times 16.70/9.24 [2019-03-28 22:35:05,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:05,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:05,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,143 INFO L82 PathProgramCache]: Analyzing trace with hash 52582017, now seen corresponding path program 1 times 16.70/9.24 [2019-03-28 22:35:05,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:05,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:05,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,145 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,177 INFO L216 LassoAnalysis]: Preferences: 16.70/9.24 [2019-03-28 22:35:05,177 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.70/9.24 [2019-03-28 22:35:05,178 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.70/9.24 [2019-03-28 22:35:05,178 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.70/9.24 [2019-03-28 22:35:05,178 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.70/9.24 [2019-03-28 22:35:05,178 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,178 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.70/9.24 [2019-03-28 22:35:05,178 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.70/9.24 [2019-03-28 22:35:05,178 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.70/9.24 [2019-03-28 22:35:05,179 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.70/9.24 [2019-03-28 22:35:05,179 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.70/9.24 [2019-03-28 22:35:05,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,270 INFO L300 LassoAnalysis]: Preprocessing complete. 16.70/9.24 [2019-03-28 22:35:05,270 INFO L412 LassoAnalysis]: Checking for nontermination... 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,280 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:05,308 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:05,308 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,315 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,315 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:05,321 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:05,322 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0=43, ULTIMATE.start_main_#t~nondet2=43} Honda state: {ULTIMATE.start_main_~random~0=43, ULTIMATE.start_main_#t~nondet2=43} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,351 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,351 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:05,380 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:05,380 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,392 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,393 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:05,421 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.70/9.24 [2019-03-28 22:35:05,422 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,429 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,429 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,463 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,463 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:05,493 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.70/9.24 [2019-03-28 22:35:05,495 INFO L216 LassoAnalysis]: Preferences: 16.70/9.24 [2019-03-28 22:35:05,495 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.70/9.24 [2019-03-28 22:35:05,495 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.70/9.24 [2019-03-28 22:35:05,495 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.70/9.24 [2019-03-28 22:35:05,496 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.70/9.24 [2019-03-28 22:35:05,496 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,496 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.70/9.24 [2019-03-28 22:35:05,496 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.70/9.24 [2019-03-28 22:35:05,496 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.70/9.24 [2019-03-28 22:35:05,496 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.70/9.24 [2019-03-28 22:35:05,496 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.70/9.24 [2019-03-28 22:35:05,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,587 INFO L300 LassoAnalysis]: Preprocessing complete. 16.70/9.24 [2019-03-28 22:35:05,588 INFO L497 LassoAnalysis]: Using template 'affine'. 16.70/9.24 [2019-03-28 22:35:05,588 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:05,589 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:05,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:05,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:05,590 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:05,592 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:05,592 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:05,596 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:05,596 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:05,597 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:05,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:05,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:05,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:05,597 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:05,598 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:05,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:05,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:05,603 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:05,604 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:05,604 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:05,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:05,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:05,605 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:05,605 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:05,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:05,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:05,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:05,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:05,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:05,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:05,608 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:05,610 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:05,610 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:05,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:05,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:05,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:05,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:05,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:05,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:05,618 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:05,618 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:05,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:05,622 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.70/9.24 [2019-03-28 22:35:05,625 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.70/9.24 [2019-03-28 22:35:05,625 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.70/9.24 [2019-03-28 22:35:05,625 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.70/9.24 [2019-03-28 22:35:05,625 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.70/9.24 [2019-03-28 22:35:05,626 INFO L518 LassoAnalysis]: Proved termination. 16.70/9.24 [2019-03-28 22:35:05,626 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.70/9.24 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 16.70/9.24 Supporting invariants [] 16.70/9.24 [2019-03-28 22:35:05,626 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.70/9.24 [2019-03-28 22:35:05,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.70/9.24 [2019-03-28 22:35:05,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 16.70/9.24 [2019-03-28 22:35:05,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.70/9.24 [2019-03-28 22:35:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.70/9.24 [2019-03-28 22:35:05,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 16.70/9.24 [2019-03-28 22:35:05,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.70/9.24 [2019-03-28 22:35:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.70/9.24 [2019-03-28 22:35:05,681 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.70/9.24 [2019-03-28 22:35:05,681 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 16.70/9.24 [2019-03-28 22:35:05,681 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 16.70/9.24 [2019-03-28 22:35:05,701 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 9 states and 13 transitions. Complement of second has 4 states. 16.70/9.24 [2019-03-28 22:35:05,701 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 16.70/9.24 [2019-03-28 22:35:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.70/9.24 [2019-03-28 22:35:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 16.70/9.24 [2019-03-28 22:35:05,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 16.70/9.24 [2019-03-28 22:35:05,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:05,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 16.70/9.24 [2019-03-28 22:35:05,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:05,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 16.70/9.24 [2019-03-28 22:35:05,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:05,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 16.70/9.24 [2019-03-28 22:35:05,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.70/9.24 [2019-03-28 22:35:05,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 16.70/9.24 [2019-03-28 22:35:05,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.70/9.24 [2019-03-28 22:35:05,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 16.70/9.24 [2019-03-28 22:35:05,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 16.70/9.24 [2019-03-28 22:35:05,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.70/9.24 [2019-03-28 22:35:05,708 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 16.70/9.24 [2019-03-28 22:35:05,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 16.70/9.24 [2019-03-28 22:35:05,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 16.70/9.24 [2019-03-28 22:35:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 16.70/9.24 [2019-03-28 22:35:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 16.70/9.24 [2019-03-28 22:35:05,709 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 16.70/9.24 [2019-03-28 22:35:05,709 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 16.70/9.24 [2019-03-28 22:35:05,710 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.70/9.24 [2019-03-28 22:35:05,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 16.70/9.24 [2019-03-28 22:35:05,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 16.70/9.24 [2019-03-28 22:35:05,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.70/9.24 [2019-03-28 22:35:05,710 INFO L119 BuchiIsEmpty]: Starting construction of run 16.70/9.24 [2019-03-28 22:35:05,711 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.70/9.24 [2019-03-28 22:35:05,711 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.70/9.24 [2019-03-28 22:35:05,711 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~random~0, ULTIMATE.start_main_~x~0] 96#L14-2 16.70/9.24 [2019-03-28 22:35:05,711 INFO L796 eck$LassoCheckResult]: Loop: 96#L14-2 [28] L14-2-->L14: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~random~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_4, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~random~0] 98#L14 [31] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~random~0_5) (< v_ULTIMATE.start_main_~random~0_6 42) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1))) (= v_ULTIMATE.start_main_~random~0_5 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~random~0=v_ULTIMATE.start_main_~random~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~random~0, ULTIMATE.start_main_~x~0] 96#L14-2 16.70/9.24 [2019-03-28 22:35:05,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,712 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times 16.70/9.24 [2019-03-28 22:35:05,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:05,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:05,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1860, now seen corresponding path program 1 times 16.70/9.24 [2019-03-28 22:35:05,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:05,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:05,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,720 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:05,726 INFO L82 PathProgramCache]: Analyzing trace with hash 54715, now seen corresponding path program 2 times 16.70/9.24 [2019-03-28 22:35:05,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.70/9.24 [2019-03-28 22:35:05,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.70/9.24 [2019-03-28 22:35:05,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.70/9.24 [2019-03-28 22:35:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.70/9.24 [2019-03-28 22:35:05,780 INFO L216 LassoAnalysis]: Preferences: 16.70/9.24 [2019-03-28 22:35:05,780 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.70/9.24 [2019-03-28 22:35:05,780 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.70/9.24 [2019-03-28 22:35:05,781 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.70/9.24 [2019-03-28 22:35:05,781 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.70/9.24 [2019-03-28 22:35:05,781 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,781 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.70/9.24 [2019-03-28 22:35:05,781 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.70/9.24 [2019-03-28 22:35:05,781 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.70/9.24 [2019-03-28 22:35:05,781 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.70/9.24 [2019-03-28 22:35:05,781 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.70/9.24 [2019-03-28 22:35:05,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,877 INFO L300 LassoAnalysis]: Preprocessing complete. 16.70/9.24 [2019-03-28 22:35:05,877 INFO L412 LassoAnalysis]: Checking for nontermination... 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,882 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,882 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.70/9.24 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.70/9.24 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,913 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.70/9.24 [2019-03-28 22:35:05,913 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.70/9.24 [2019-03-28 22:35:05,942 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.70/9.24 [2019-03-28 22:35:05,945 INFO L216 LassoAnalysis]: Preferences: 16.70/9.24 [2019-03-28 22:35:05,945 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.70/9.24 [2019-03-28 22:35:05,945 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.70/9.24 [2019-03-28 22:35:05,945 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.70/9.24 [2019-03-28 22:35:05,945 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.70/9.24 [2019-03-28 22:35:05,945 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.70/9.24 [2019-03-28 22:35:05,945 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.70/9.24 [2019-03-28 22:35:05,946 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.70/9.24 [2019-03-28 22:35:05,946 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.70/9.24 [2019-03-28 22:35:05,946 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.70/9.24 [2019-03-28 22:35:05,946 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.70/9.24 [2019-03-28 22:35:05,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:05,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.70/9.24 [2019-03-28 22:35:06,032 INFO L300 LassoAnalysis]: Preprocessing complete. 16.70/9.24 [2019-03-28 22:35:06,033 INFO L497 LassoAnalysis]: Using template 'affine'. 16.70/9.24 [2019-03-28 22:35:06,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:06,034 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:06,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:06,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:06,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:06,034 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:06,035 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:06,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:06,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.70/9.24 [2019-03-28 22:35:06,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.70/9.24 Termination analysis: LINEAR_WITH_GUESSES 16.70/9.24 Number of strict supporting invariants: 0 16.70/9.24 Number of non-strict supporting invariants: 1 16.70/9.24 Consider only non-deceasing supporting invariants: true 16.70/9.24 Simplify termination arguments: true 16.70/9.24 Simplify supporting invariants: trueOverapproximate stem: false 16.70/9.24 [2019-03-28 22:35:06,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.70/9.24 [2019-03-28 22:35:06,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.70/9.24 [2019-03-28 22:35:06,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.70/9.24 [2019-03-28 22:35:06,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.70/9.24 [2019-03-28 22:35:06,042 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.70/9.24 [2019-03-28 22:35:06,042 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.70/9.24 [2019-03-28 22:35:06,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.70/9.24 [2019-03-28 22:35:06,045 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.70/9.24 [2019-03-28 22:35:06,048 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.70/9.24 [2019-03-28 22:35:06,048 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.70/9.24 [2019-03-28 22:35:06,048 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.70/9.24 [2019-03-28 22:35:06,048 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.70/9.24 [2019-03-28 22:35:06,049 INFO L518 LassoAnalysis]: Proved termination. 16.70/9.24 [2019-03-28 22:35:06,049 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.70/9.24 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 16.70/9.24 Supporting invariants [] 16.70/9.24 [2019-03-28 22:35:06,049 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.70/9.24 [2019-03-28 22:35:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.70/9.24 [2019-03-28 22:35:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.70/9.24 [2019-03-28 22:35:06,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 16.70/9.24 [2019-03-28 22:35:06,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.70/9.24 [2019-03-28 22:35:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.70/9.24 [2019-03-28 22:35:06,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core 16.70/9.24 [2019-03-28 22:35:06,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.70/9.24 [2019-03-28 22:35:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.70/9.24 [2019-03-28 22:35:06,098 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.70/9.24 [2019-03-28 22:35:06,098 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 16.70/9.24 [2019-03-28 22:35:06,099 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. 16.70/9.24 [2019-03-28 22:35:06,142 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 4 states. 16.70/9.24 [2019-03-28 22:35:06,144 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 16.70/9.24 [2019-03-28 22:35:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.70/9.24 [2019-03-28 22:35:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 16.70/9.24 [2019-03-28 22:35:06,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 16.70/9.24 [2019-03-28 22:35:06,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:06,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 16.70/9.24 [2019-03-28 22:35:06,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:06,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 16.70/9.24 [2019-03-28 22:35:06,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.70/9.24 [2019-03-28 22:35:06,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. 16.70/9.24 [2019-03-28 22:35:06,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.70/9.24 [2019-03-28 22:35:06,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 16.70/9.24 [2019-03-28 22:35:06,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.70/9.24 [2019-03-28 22:35:06,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.70/9.24 [2019-03-28 22:35:06,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.70/9.24 [2019-03-28 22:35:06,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.70/9.24 [2019-03-28 22:35:06,149 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.70/9.24 [2019-03-28 22:35:06,149 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.70/9.24 [2019-03-28 22:35:06,149 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.70/9.24 [2019-03-28 22:35:06,149 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.70/9.24 [2019-03-28 22:35:06,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.70/9.24 [2019-03-28 22:35:06,149 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.70/9.24 [2019-03-28 22:35:06,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.70/9.24 [2019-03-28 22:35:06,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:35:06 BasicIcfg 16.70/9.24 [2019-03-28 22:35:06,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.70/9.24 [2019-03-28 22:35:06,156 INFO L168 Benchmark]: Toolchain (without parser) took 2824.06 ms. Allocated memory was 649.6 MB in the beginning and 744.5 MB in the end (delta: 94.9 MB). Free memory was 558.7 MB in the beginning and 699.3 MB in the end (delta: -140.6 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,158 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. 16.70/9.24 [2019-03-28 22:35:06,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.28 ms. Allocated memory was 649.6 MB in the beginning and 657.5 MB in the end (delta: 7.9 MB). Free memory was 558.7 MB in the beginning and 624.8 MB in the end (delta: -66.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 657.5 MB. Free memory was 624.8 MB in the beginning and 621.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,159 INFO L168 Benchmark]: Boogie Preprocessor took 20.98 ms. Allocated memory is still 657.5 MB. Free memory was 621.7 MB in the beginning and 620.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,160 INFO L168 Benchmark]: RCFGBuilder took 207.29 ms. Allocated memory is still 657.5 MB. Free memory was 620.4 MB in the beginning and 606.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,160 INFO L168 Benchmark]: BlockEncodingV2 took 85.55 ms. Allocated memory is still 657.5 MB. Free memory was 606.4 MB in the beginning and 601.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,161 INFO L168 Benchmark]: TraceAbstraction took 161.68 ms. Allocated memory is still 657.5 MB. Free memory was 601.0 MB in the beginning and 592.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,161 INFO L168 Benchmark]: BuchiAutomizer took 2006.12 ms. Allocated memory was 657.5 MB in the beginning and 744.5 MB in the end (delta: 87.0 MB). Free memory was 591.5 MB in the beginning and 699.3 MB in the end (delta: -107.8 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.70/9.24 [2019-03-28 22:35:06,166 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.70/9.24 --- Results --- 16.70/9.24 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.70/9.24 - StatisticsResult: Initial Icfg 16.70/9.24 7 locations, 9 edges 16.70/9.24 - StatisticsResult: Encoded RCFG 16.70/9.24 3 locations, 4 edges 16.70/9.24 * Results from de.uni_freiburg.informatik.ultimate.core: 16.70/9.24 - StatisticsResult: Toolchain Benchmarks 16.70/9.24 Benchmark results are: 16.70/9.24 * 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. 16.70/9.24 * CACSL2BoogieTranslator took 297.28 ms. Allocated memory was 649.6 MB in the beginning and 657.5 MB in the end (delta: 7.9 MB). Free memory was 558.7 MB in the beginning and 624.8 MB in the end (delta: -66.1 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 16.70/9.24 * Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 657.5 MB. Free memory was 624.8 MB in the beginning and 621.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 16.70/9.24 * Boogie Preprocessor took 20.98 ms. Allocated memory is still 657.5 MB. Free memory was 621.7 MB in the beginning and 620.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 16.70/9.24 * RCFGBuilder took 207.29 ms. Allocated memory is still 657.5 MB. Free memory was 620.4 MB in the beginning and 606.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 50.3 GB. 16.70/9.24 * BlockEncodingV2 took 85.55 ms. Allocated memory is still 657.5 MB. Free memory was 606.4 MB in the beginning and 601.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 16.70/9.24 * TraceAbstraction took 161.68 ms. Allocated memory is still 657.5 MB. Free memory was 601.0 MB in the beginning and 592.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. 16.70/9.24 * BuchiAutomizer took 2006.12 ms. Allocated memory was 657.5 MB in the beginning and 744.5 MB in the end (delta: 87.0 MB). Free memory was 591.5 MB in the beginning and 699.3 MB in the end (delta: -107.8 MB). There was no memory consumed. Max. memory is 50.3 GB. 16.70/9.24 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.70/9.24 - AllSpecificationsHoldResult: All specifications hold 16.70/9.24 We were not able to verify any specifiation because the program does not contain any specification. 16.70/9.24 - InvariantResult [Line: 12]: Loop Invariant 16.70/9.24 Derived loop invariant: 1 16.70/9.24 - StatisticsResult: Ultimate Automizer benchmark data 16.70/9.24 CFG has 1 procedures, 3 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=3occurred 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 16.70/9.24 - StatisticsResult: Constructed decomposition of program 16.70/9.24 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. 16.70/9.24 - StatisticsResult: Timing statistics 16.70/9.24 BüchiAutomizer plugin needed 1.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 17 SDslu, 1 SDs, 0 SdLazy, 28 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 16.70/9.24 - TerminationAnalysisResult: Termination proven 16.70/9.24 Buchi Automizer proved that your program is terminating 16.70/9.24 RESULT: Ultimate proved your program to be correct! 16.70/9.24 16.70/9.24 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:35:06.394 16.70/9.24 !MESSAGE The workspace will exit with unsaved changes in this session. 16.70/9.24 Received shutdown request... 16.70/9.24 Ultimate: 16.70/9.24 GTK+ Version Check 16.70/9.24 EOF