/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:20:52,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:20:52,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:20:52,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:20:52,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:20:52,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:20:52,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:20:52,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:20:52,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:20:52,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:20:52,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:20:52,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:20:52,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:20:52,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:20:52,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:20:52,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:20:52,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:20:52,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:20:52,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:20:52,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:20:52,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:20:52,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:20:52,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:20:52,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:20:52,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:20:52,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:20:52,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:20:52,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:20:52,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:20:52,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:20:52,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:20:52,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:20:52,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:20:52,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:20:52,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:20:52,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:20:52,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:20:52,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:20:52,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:20:52,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:20:52,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:20:52,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf [2020-04-18 16:20:52,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:20:52,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:20:52,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:20:52,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:20:52,495 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:20:52,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:20:52,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:20:52,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:20:52,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:20:52,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:20:52,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:20:52,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:20:52,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:20:52,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:20:52,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:20:52,497 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:20:52,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:20:52,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:20:52,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:20:52,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:20:52,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:20:52,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:20:52,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:20:52,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:20:52,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:20:52,499 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:20:52,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:20:52,499 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 16:20:52,500 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:20:52,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:20:52,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:20:52,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:20:52,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:20:52,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:20:52,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:20:52,795 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:20:52,796 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-04-18 16:20:52,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160f717c8/3e58cc643f624ec89b1cd052de453087/FLAG26c694dc8 [2020-04-18 16:20:53,463 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:20:53,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-04-18 16:20:53,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160f717c8/3e58cc643f624ec89b1cd052de453087/FLAG26c694dc8 [2020-04-18 16:20:53,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160f717c8/3e58cc643f624ec89b1cd052de453087 [2020-04-18 16:20:53,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:20:53,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:20:53,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:20:53,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:20:53,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:20:53,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:20:53" (1/1) ... [2020-04-18 16:20:53,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3084d5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:53, skipping insertion in model container [2020-04-18 16:20:53,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:20:53" (1/1) ... [2020-04-18 16:20:53,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:20:53,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:20:54,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:20:54,326 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:20:54,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:20:54,449 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:20:54,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54 WrapperNode [2020-04-18 16:20:54,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:20:54,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:20:54,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:20:54,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:20:54,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:20:54,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:20:54,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:20:54,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:20:54,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... [2020-04-18 16:20:54,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:20:54,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:20:54,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:20:54,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:20:54,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:20:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-04-18 16:20:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-04-18 16:20:54,603 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2020-04-18 16:20:54,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2020-04-18 16:20:54,604 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 16:20:54,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 16:20:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:20:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:20:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:20:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:20:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:20:54,608 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 16:20:55,487 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:20:55,487 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-04-18 16:20:55,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:20:55 BoogieIcfgContainer [2020-04-18 16:20:55,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:20:55,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:20:55,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:20:55,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:20:55,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:20:53" (1/3) ... [2020-04-18 16:20:55,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4936b453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:20:55, skipping insertion in model container [2020-04-18 16:20:55,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:20:54" (2/3) ... [2020-04-18 16:20:55,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4936b453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:20:55, skipping insertion in model container [2020-04-18 16:20:55,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:20:55" (3/3) ... [2020-04-18 16:20:55,501 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2020-04-18 16:20:55,512 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:20:55,512 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:20:55,519 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 16:20:55,520 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:20:55,548 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,548 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,549 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,549 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,550 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,550 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,550 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,551 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,551 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,551 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,552 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,553 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,553 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,553 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,553 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,554 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,554 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,554 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,555 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,555 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,555 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,555 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,556 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,556 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,556 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,557 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,557 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,557 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,558 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,560 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,560 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,560 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,561 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,564 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,565 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,565 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,565 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,566 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,566 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,566 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,569 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,569 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,569 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,570 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,570 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,570 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,574 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,574 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,575 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,575 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,595 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,595 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:20:55,611 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 16:20:55,630 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:20:55,630 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:20:55,630 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:20:55,630 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:20:55,631 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:20:55,631 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:20:55,631 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:20:55,631 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:20:55,643 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 72 transitions, 159 flow [2020-04-18 16:20:57,107 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18850 states. [2020-04-18 16:20:57,109 INFO L276 IsEmpty]: Start isEmpty. Operand 18850 states. [2020-04-18 16:20:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:20:57,121 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:20:57,122 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:20:57,123 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:20:57,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:57,128 INFO L82 PathProgramCache]: Analyzing trace with hash -452496447, now seen corresponding path program 1 times [2020-04-18 16:20:57,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:20:57,134 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1425347959] [2020-04-18 16:20:57,149 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:57,163 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:20:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-04-18 16:20:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-04-18 16:20:57,166 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:20:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:57,167 INFO L82 PathProgramCache]: Analyzing trace with hash -452496447, now seen corresponding path program 2 times [2020-04-18 16:20:57,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:20:57,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846109247] [2020-04-18 16:20:57,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:20:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:20:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:20:57,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846109247] [2020-04-18 16:20:57,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:20:57,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 16:20:57,492 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:20:57,494 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:57,498 INFO L259 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2020-04-18 16:20:57,499 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:20:57,520 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:20:57,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:20:57,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 16:20:57,529 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 4 states. [2020-04-18 16:20:57,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:57,551 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-04-18 16:20:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-04-18 16:20:57,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:20:57,554 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1425347959] [2020-04-18 16:20:57,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:20:57,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-04-18 16:20:57,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1425347959] [2020-04-18 16:20:57,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 16:20:57,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:20:57,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 16:20:57,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:20:57,565 INFO L87 Difference]: Start difference. First operand 18850 states. Second operand 4 states. [2020-04-18 16:20:57,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:57,889 INFO L93 Difference]: Finished difference Result 13774 states and 49270 transitions. [2020-04-18 16:20:57,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 16:20:57,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2020-04-18 16:20:57,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:20:58,046 INFO L225 Difference]: With dead ends: 13774 [2020-04-18 16:20:58,046 INFO L226 Difference]: Without dead ends: 13774 [2020-04-18 16:20:58,048 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 16:20:58,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13774 states. [2020-04-18 16:20:58,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13774 to 10984. [2020-04-18 16:20:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10984 states. [2020-04-18 16:20:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10984 states to 10984 states and 40378 transitions. [2020-04-18 16:20:58,919 INFO L78 Accepts]: Start accepts. Automaton has 10984 states and 40378 transitions. Word has length 21 [2020-04-18 16:20:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:20:58,920 INFO L479 AbstractCegarLoop]: Abstraction has 10984 states and 40378 transitions. [2020-04-18 16:20:58,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 16:20:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 10984 states and 40378 transitions. [2020-04-18 16:20:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-04-18 16:20:58,929 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:20:58,929 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:20:58,930 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:20:58,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:58,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1987306108, now seen corresponding path program 1 times [2020-04-18 16:20:58,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:20:58,932 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1178717320] [2020-04-18 16:20:58,933 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:58,938 INFO L259 McrAutomatonBuilder]: Finished intersection with 49 states and 72 transitions. [2020-04-18 16:20:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-04-18 16:20:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-04-18 16:20:58,940 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:20:58,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:20:58,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1987306108, now seen corresponding path program 2 times [2020-04-18 16:20:58,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:20:58,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174244979] [2020-04-18 16:20:58,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:20:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:20:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 16:20:59,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174244979] [2020-04-18 16:20:59,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:20:59,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-04-18 16:20:59,086 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:20:59,088 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:20:59,091 INFO L259 McrAutomatonBuilder]: Finished intersection with 41 states and 56 transitions. [2020-04-18 16:20:59,092 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:20:59,148 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 1 times. [2020-04-18 16:20:59,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 16:20:59,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-04-18 16:20:59,148 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 7 states. [2020-04-18 16:20:59,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:59,180 INFO L93 Difference]: Finished difference Result 49 states and 72 transitions. [2020-04-18 16:20:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2020-04-18 16:20:59,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:20:59,181 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1178717320] [2020-04-18 16:20:59,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:20:59,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-04-18 16:20:59,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1178717320] [2020-04-18 16:20:59,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 16:20:59,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:20:59,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 16:20:59,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-04-18 16:20:59,185 INFO L87 Difference]: Start difference. First operand 10984 states and 40378 transitions. Second operand 7 states. [2020-04-18 16:20:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:20:59,500 INFO L93 Difference]: Finished difference Result 10821 states and 36286 transitions. [2020-04-18 16:20:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 16:20:59,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-04-18 16:20:59,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:20:59,551 INFO L225 Difference]: With dead ends: 10821 [2020-04-18 16:20:59,551 INFO L226 Difference]: Without dead ends: 10821 [2020-04-18 16:20:59,553 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-04-18 16:20:59,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10821 states. [2020-04-18 16:21:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10821 to 6769. [2020-04-18 16:21:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6769 states. [2020-04-18 16:21:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6769 states to 6769 states and 22697 transitions. [2020-04-18 16:21:00,609 INFO L78 Accepts]: Start accepts. Automaton has 6769 states and 22697 transitions. Word has length 24 [2020-04-18 16:21:00,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:21:00,610 INFO L479 AbstractCegarLoop]: Abstraction has 6769 states and 22697 transitions. [2020-04-18 16:21:00,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 16:21:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 6769 states and 22697 transitions. [2020-04-18 16:21:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-04-18 16:21:00,612 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:21:00,614 INFO L425 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:21:00,614 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:21:00,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:21:00,615 INFO L82 PathProgramCache]: Analyzing trace with hash -287455963, now seen corresponding path program 1 times [2020-04-18 16:21:00,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:21:00,616 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [530923703] [2020-04-18 16:21:00,617 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:21:00,619 INFO L259 McrAutomatonBuilder]: Finished intersection with 25 states and 24 transitions. [2020-04-18 16:21:00,620 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-04-18 16:21:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-04-18 16:21:00,621 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:21:00,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:21:00,621 INFO L82 PathProgramCache]: Analyzing trace with hash -287455963, now seen corresponding path program 2 times [2020-04-18 16:21:00,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:21:00,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81535063] [2020-04-18 16:21:00,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:21:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:21:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:21:00,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:21:00,744 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:21:00,744 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:21:00,745 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:21:00,745 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 16:21:00,761 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,762 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,762 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,762 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,763 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,763 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,763 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,764 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,764 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,764 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,765 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,765 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,765 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,766 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,766 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,766 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,766 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,767 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,767 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,767 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,768 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,768 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,768 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,768 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,768 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,769 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,769 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,769 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,769 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,770 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,770 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,770 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,770 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,770 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,771 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,771 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,771 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,771 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,771 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,772 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,772 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,772 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,772 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,773 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,773 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,773 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,773 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,773 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,774 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,774 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,774 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,774 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,774 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,775 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,775 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,775 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,776 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,776 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,777 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,777 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,778 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,780 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,780 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,783 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,783 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,783 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,784 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,784 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,784 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,784 WARN L315 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,787 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,787 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,787 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,788 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,788 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,788 WARN L315 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,788 WARN L315 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,795 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,795 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,795 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,798 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,799 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,799 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,799 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,800 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,800 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,802 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,802 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,802 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,802 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,803 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,803 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:21:00,804 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-04-18 16:21:00,805 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:21:00,805 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:21:00,805 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:21:00,805 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:21:00,806 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:21:00,806 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:21:00,806 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:21:00,806 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:21:00,810 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 117 transitions, 270 flow Received shutdown request... [2020-04-18 16:25:24,697 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 16:25:24,704 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 16:25:24,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:25:24 BasicIcfg [2020-04-18 16:25:24,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 16:25:24,708 INFO L168 Benchmark]: Toolchain (without parser) took 270985.88 ms. Allocated memory was 137.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 101.7 MB in the beginning and 1.1 GB in the end (delta: -981.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,709 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.16 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 99.7 MB in the beginning and 161.1 MB in the end (delta: -61.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.35 ms. Allocated memory is still 202.9 MB. Free memory was 161.1 MB in the beginning and 159.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,712 INFO L168 Benchmark]: Boogie Preprocessor took 34.71 ms. Allocated memory is still 202.9 MB. Free memory was 159.1 MB in the beginning and 157.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,713 INFO L168 Benchmark]: RCFGBuilder took 948.07 ms. Allocated memory is still 202.9 MB. Free memory was 157.1 MB in the beginning and 98.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,714 INFO L168 Benchmark]: TraceAbstraction took 269212.06 ms. Allocated memory was 202.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 98.6 MB in the beginning and 1.1 GB in the end (delta: -984.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-04-18 16:25:24,719 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.16 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 99.7 MB in the beginning and 161.1 MB in the end (delta: -61.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.35 ms. Allocated memory is still 202.9 MB. Free memory was 161.1 MB in the beginning and 159.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.71 ms. Allocated memory is still 202.9 MB. Free memory was 159.1 MB in the beginning and 157.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 948.07 ms. Allocated memory is still 202.9 MB. Free memory was 157.1 MB in the beginning and 98.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269212.06 ms. Allocated memory was 202.9 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 98.6 MB in the beginning and 1.1 GB in the end (delta: -984.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 712]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 712). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 119 places, 117 transitions, 270 flow. Already constructed 312391 states. Currently 18891 states in worklist.. - TimeoutResultAtElement [Line: 705]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 705). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 119 places, 117 transitions, 270 flow. Already constructed 312391 states. Currently 18891 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 2 error locations. Started 2 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 269.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 265.3s, HoareTripleCheckerStatistics: 243 SDtfs, 358 SDslu, 564 SDs, 0 SdLazy, 137 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18850occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 2 MinimizatonAttempts, 6842 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown