/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-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 07:48:53,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 07:48:53,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 07:48:53,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 07:48:53,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 07:48:53,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 07:48:53,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 07:48:53,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 07:48:53,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 07:48:53,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 07:48:53,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 07:48:53,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 07:48:53,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 07:48:53,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 07:48:53,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 07:48:53,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 07:48:53,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 07:48:53,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 07:48:53,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 07:48:53,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 07:48:53,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 07:48:53,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 07:48:53,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 07:48:53,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 07:48:53,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 07:48:53,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 07:48:53,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 07:48:53,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 07:48:53,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 07:48:53,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 07:48:53,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 07:48:53,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 07:48:53,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 07:48:53,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 07:48:53,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 07:48:53,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 07:48:53,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 07:48:53,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 07:48:53,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 07:48:53,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 07:48:53,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 07:48:53,478 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-SemanticLbe-McrStrategy.epf [2020-04-18 07:48:53,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 07:48:53,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 07:48:53,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 07:48:53,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 07:48:53,506 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 07:48:53,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 07:48:53,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 07:48:53,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 07:48:53,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 07:48:53,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 07:48:53,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 07:48:53,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 07:48:53,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 07:48:53,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 07:48:53,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 07:48:53,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 07:48:53,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 07:48:53,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 07:48:53,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 07:48:53,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 07:48:53,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 07:48:53,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 07:48:53,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 07:48:53,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 07:48:53,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 07:48:53,512 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 07:48:53,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 07:48:53,512 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 07:48:53,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 07:48:53,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 07:48:53,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 07:48:53,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 07:48:53,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 07:48:53,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 07:48:53,830 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 07:48:53,831 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-04-18 07:48:53,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8a89215/9648a95f31784fdab0f88efe2659c025/FLAG6496c33fa [2020-04-18 07:48:54,465 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 07:48:54,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-04-18 07:48:54,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8a89215/9648a95f31784fdab0f88efe2659c025/FLAG6496c33fa [2020-04-18 07:48:54,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f8a89215/9648a95f31784fdab0f88efe2659c025 [2020-04-18 07:48:54,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 07:48:54,776 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 07:48:54,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 07:48:54,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 07:48:54,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 07:48:54,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:48:54" (1/1) ... [2020-04-18 07:48:54,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cf9aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:54, skipping insertion in model container [2020-04-18 07:48:54,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:48:54" (1/1) ... [2020-04-18 07:48:54,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 07:48:54,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 07:48:55,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:48:55,331 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 07:48:55,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 07:48:55,463 INFO L208 MainTranslator]: Completed translation [2020-04-18 07:48:55,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55 WrapperNode [2020-04-18 07:48:55,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 07:48:55,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 07:48:55,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 07:48:55,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 07:48:55,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 07:48:55,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 07:48:55,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 07:48:55,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 07:48:55,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (1/1) ... [2020-04-18 07:48:55,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 07:48:55,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 07:48:55,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 07:48:55,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 07:48:55,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (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 07:48:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 07:48:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 07:48:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 07:48:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 07:48:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 07:48:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 07:48:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 07:48:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 07:48:55,630 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 07:48:56,404 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 07:48:56,404 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-04-18 07:48:56,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:48:56 BoogieIcfgContainer [2020-04-18 07:48:56,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 07:48:56,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 07:48:56,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 07:48:56,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 07:48:56,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 07:48:54" (1/3) ... [2020-04-18 07:48:56,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c38074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:48:56, skipping insertion in model container [2020-04-18 07:48:56,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:48:55" (2/3) ... [2020-04-18 07:48:56,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c38074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 07:48:56, skipping insertion in model container [2020-04-18 07:48:56,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 07:48:56" (3/3) ... [2020-04-18 07:48:56,424 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2020-04-18 07:48:56,435 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 07:48:56,438 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 07:48:56,447 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 07:48:56,448 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 07:48:56,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,489 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,490 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,491 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,492 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,492 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,493 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,493 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,493 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,494 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,494 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,494 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,495 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,496 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,496 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,497 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,498 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,506 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,506 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,506 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,506 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,507 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,507 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,507 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,507 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,508 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,509 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,509 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:56,524 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 07:48:56,542 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:48:56,543 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:48:56,543 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:48:56,543 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:48:56,543 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:48:56,543 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:48:56,544 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:48:56,544 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:48:56,560 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 82 transitions, 169 flow [2020-04-18 07:48:56,562 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 82 transitions, 169 flow [2020-04-18 07:48:56,615 INFO L129 PetriNetUnfolder]: 20/125 cut-off events. [2020-04-18 07:48:56,616 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 07:48:56,622 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 20/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 379 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-18 07:48:56,627 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 82 transitions, 169 flow [2020-04-18 07:48:56,655 INFO L129 PetriNetUnfolder]: 20/125 cut-off events. [2020-04-18 07:48:56,656 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 07:48:56,657 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 125 events. 20/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 379 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2020-04-18 07:48:56,685 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2430 [2020-04-18 07:48:56,687 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 07:48:57,934 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5051 [2020-04-18 07:48:57,935 INFO L214 etLargeBlockEncoding]: Total number of compositions: 60 [2020-04-18 07:48:57,939 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 37 transitions, 79 flow [2020-04-18 07:48:57,965 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 223 states. [2020-04-18 07:48:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states. [2020-04-18 07:48:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:48:57,975 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:48:57,977 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-04-18 07:48:57,977 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:48:57,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:48:57,984 INFO L82 PathProgramCache]: Analyzing trace with hash -421120764, now seen corresponding path program 1 times [2020-04-18 07:48:57,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:48:57,991 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2123635420] [2020-04-18 07:48:58,006 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:48:58,016 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:48:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 07:48:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:48:58,019 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:48:58,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:48:58,019 INFO L82 PathProgramCache]: Analyzing trace with hash -421120764, now seen corresponding path program 2 times [2020-04-18 07:48:58,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:48:58,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668446067] [2020-04-18 07:48:58,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:48:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:48:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:48:58,202 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 07:48:58,204 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 07:48:58,204 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 07:48:58,205 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 07:48:58,205 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 07:48:58,217 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,218 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,218 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,219 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,220 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,220 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,221 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,222 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,231 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,231 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,233 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,234 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,234 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,235 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,238 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,238 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,240 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,240 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,241 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:48:58,244 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 07:48:58,245 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:48:58,245 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:48:58,245 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:48:58,245 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:48:58,245 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:48:58,246 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:48:58,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:48:58,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:48:58,249 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 110 transitions, 232 flow [2020-04-18 07:48:58,249 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 96 places, 110 transitions, 232 flow [2020-04-18 07:48:58,295 INFO L129 PetriNetUnfolder]: 33/197 cut-off events. [2020-04-18 07:48:58,295 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-18 07:48:58,300 INFO L80 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 197 events. 33/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 705 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 126. Up to 9 conditions per place. [2020-04-18 07:48:58,309 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 96 places, 110 transitions, 232 flow [2020-04-18 07:48:58,342 INFO L129 PetriNetUnfolder]: 33/197 cut-off events. [2020-04-18 07:48:58,342 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-04-18 07:48:58,346 INFO L80 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 197 events. 33/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 705 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 126. Up to 9 conditions per place. [2020-04-18 07:48:58,354 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6372 [2020-04-18 07:48:58,354 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 07:48:59,633 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13976 [2020-04-18 07:48:59,633 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2020-04-18 07:48:59,633 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 52 transitions, 116 flow [2020-04-18 07:48:59,780 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2914 states. [2020-04-18 07:48:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states. [2020-04-18 07:48:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:48:59,782 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:48:59,782 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 07:48:59,782 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:48:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:48:59,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1636926490, now seen corresponding path program 1 times [2020-04-18 07:48:59,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:48:59,783 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [235462583] [2020-04-18 07:48:59,784 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:48:59,784 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:48:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 07:48:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:48:59,785 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:48:59,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:48:59,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1636926490, now seen corresponding path program 2 times [2020-04-18 07:48:59,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:48:59,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123867916] [2020-04-18 07:48:59,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:48:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:48:59,873 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 07:48:59,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123867916] [2020-04-18 07:48:59,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:48:59,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:48:59,875 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:48:59,876 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:48:59,877 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:48:59,877 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:48:59,881 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:48:59,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:48:59,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:48:59,888 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-04-18 07:48:59,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:48:59,892 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 07:48:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 07:48:59,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:48:59,893 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [235462583] [2020-04-18 07:48:59,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:48:59,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:48:59,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [235462583] [2020-04-18 07:48:59,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 07:48:59,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:48:59,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:48:59,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:48:59,902 INFO L87 Difference]: Start difference. First operand 2914 states. Second operand 2 states. [2020-04-18 07:48:59,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:48:59,983 INFO L93 Difference]: Finished difference Result 2342 states and 7374 transitions. [2020-04-18 07:48:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 07:48:59,985 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-18 07:48:59,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:49:00,042 INFO L225 Difference]: With dead ends: 2342 [2020-04-18 07:49:00,042 INFO L226 Difference]: Without dead ends: 2342 [2020-04-18 07:49:00,045 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:49:00,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2020-04-18 07:49:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 2342. [2020-04-18 07:49:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2020-04-18 07:49:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 7374 transitions. [2020-04-18 07:49:00,228 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 7374 transitions. Word has length 6 [2020-04-18 07:49:00,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:49:00,229 INFO L479 AbstractCegarLoop]: Abstraction has 2342 states and 7374 transitions. [2020-04-18 07:49:00,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 07:49:00,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 7374 transitions. [2020-04-18 07:49:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 07:49:00,230 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:49:00,230 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:49:00,230 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:49:00,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:00,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1127865548, now seen corresponding path program 1 times [2020-04-18 07:49:00,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:49:00,231 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1383629997] [2020-04-18 07:49:00,232 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:00,232 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 07:49:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 07:49:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 07:49:00,233 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:49:00,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:00,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1127865548, now seen corresponding path program 2 times [2020-04-18 07:49:00,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:49:00,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711607188] [2020-04-18 07:49:00,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:49:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:49:00,372 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 07:49:00,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711607188] [2020-04-18 07:49:00,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:49:00,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:49:00,373 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:49:00,374 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:00,375 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 07:49:00,375 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:49:00,388 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:49:00,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:49:00,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:49:00,388 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 07:49:00,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:49:00,391 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 07:49:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 07:49:00,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:49:00,392 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1383629997] [2020-04-18 07:49:00,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:49:00,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:49:00,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1383629997] [2020-04-18 07:49:00,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 07:49:00,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:49:00,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:49:00,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:49:00,394 INFO L87 Difference]: Start difference. First operand 2342 states and 7374 transitions. Second operand 3 states. [2020-04-18 07:49:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:49:00,458 INFO L93 Difference]: Finished difference Result 3120 states and 9682 transitions. [2020-04-18 07:49:00,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 07:49:00,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 07:49:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:49:00,484 INFO L225 Difference]: With dead ends: 3120 [2020-04-18 07:49:00,485 INFO L226 Difference]: Without dead ends: 3110 [2020-04-18 07:49:00,486 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:49:00,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2020-04-18 07:49:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2734. [2020-04-18 07:49:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2734 states. [2020-04-18 07:49:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 8535 transitions. [2020-04-18 07:49:00,591 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 8535 transitions. Word has length 8 [2020-04-18 07:49:00,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:49:00,592 INFO L479 AbstractCegarLoop]: Abstraction has 2734 states and 8535 transitions. [2020-04-18 07:49:00,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 07:49:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 8535 transitions. [2020-04-18 07:49:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 07:49:00,593 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:49:00,593 INFO L425 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-04-18 07:49:00,594 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:49:00,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:00,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1023008832, now seen corresponding path program 1 times [2020-04-18 07:49:00,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:49:00,595 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1969284312] [2020-04-18 07:49:00,595 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:00,595 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 07:49:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 07:49:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 07:49:00,596 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:49:00,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:00,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1023008832, now seen corresponding path program 2 times [2020-04-18 07:49:00,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:49:00,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393774646] [2020-04-18 07:49:00,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:49:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:49:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:49:00,626 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 07:49:00,626 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 07:49:00,627 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 07:49:00,627 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 07:49:00,629 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 07:49:00,638 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,638 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,638 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,638 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,638 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,639 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,640 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,640 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,640 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,641 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,642 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,643 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,643 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,648 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,648 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,649 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,653 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,653 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,655 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,658 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,659 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,659 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,660 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,661 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,662 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:00,665 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 07:49:00,665 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:49:00,665 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:49:00,666 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:49:00,666 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:49:00,666 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:49:00,666 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:49:00,666 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:49:00,666 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:49:00,668 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 138 transitions, 297 flow [2020-04-18 07:49:00,668 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 138 transitions, 297 flow [2020-04-18 07:49:00,699 INFO L129 PetriNetUnfolder]: 46/269 cut-off events. [2020-04-18 07:49:00,699 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-18 07:49:00,703 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 269 events. 46/269 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1069 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2020-04-18 07:49:00,719 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 120 places, 138 transitions, 297 flow [2020-04-18 07:49:00,749 INFO L129 PetriNetUnfolder]: 46/269 cut-off events. [2020-04-18 07:49:00,749 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-04-18 07:49:00,753 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 269 events. 46/269 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1069 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 201. Up to 12 conditions per place. [2020-04-18 07:49:00,768 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11826 [2020-04-18 07:49:00,769 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 07:49:02,103 INFO L206 etLargeBlockEncoding]: Checked pairs total: 26264 [2020-04-18 07:49:02,104 INFO L214 etLargeBlockEncoding]: Total number of compositions: 78 [2020-04-18 07:49:02,104 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 67 transitions, 155 flow [2020-04-18 07:49:06,208 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 37897 states. [2020-04-18 07:49:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 37897 states. [2020-04-18 07:49:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:49:06,209 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:49:06,209 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 07:49:06,209 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:49:06,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:06,210 INFO L82 PathProgramCache]: Analyzing trace with hash 736502988, now seen corresponding path program 1 times [2020-04-18 07:49:06,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:49:06,210 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [888558196] [2020-04-18 07:49:06,211 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:06,211 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:49:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 07:49:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 07:49:06,211 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:49:06,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:06,211 INFO L82 PathProgramCache]: Analyzing trace with hash 736502988, now seen corresponding path program 2 times [2020-04-18 07:49:06,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:49:06,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58017265] [2020-04-18 07:49:06,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:49:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:49:06,263 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 07:49:06,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58017265] [2020-04-18 07:49:06,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:49:06,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:49:06,264 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:49:06,265 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:06,265 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 07:49:06,266 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:49:06,266 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:49:06,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:49:06,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:49:06,267 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 2 states. [2020-04-18 07:49:06,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:49:06,267 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 07:49:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 07:49:06,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:49:06,269 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [888558196] [2020-04-18 07:49:06,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:49:06,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:49:06,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [888558196] [2020-04-18 07:49:06,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 07:49:06,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:49:06,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 07:49:06,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:49:06,272 INFO L87 Difference]: Start difference. First operand 37897 states. Second operand 2 states. [2020-04-18 07:49:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:49:06,719 INFO L93 Difference]: Finished difference Result 28118 states and 118950 transitions. [2020-04-18 07:49:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 07:49:06,719 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-04-18 07:49:06,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:49:06,963 INFO L225 Difference]: With dead ends: 28118 [2020-04-18 07:49:06,964 INFO L226 Difference]: Without dead ends: 28118 [2020-04-18 07:49:06,964 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 07:49:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28118 states. [2020-04-18 07:49:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28118 to 28118. [2020-04-18 07:49:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28118 states. [2020-04-18 07:49:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28118 states to 28118 states and 118950 transitions. [2020-04-18 07:49:09,744 INFO L78 Accepts]: Start accepts. Automaton has 28118 states and 118950 transitions. Word has length 6 [2020-04-18 07:49:09,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:49:09,745 INFO L479 AbstractCegarLoop]: Abstraction has 28118 states and 118950 transitions. [2020-04-18 07:49:09,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 07:49:09,745 INFO L276 IsEmpty]: Start isEmpty. Operand 28118 states and 118950 transitions. [2020-04-18 07:49:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 07:49:09,750 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:49:09,750 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 07:49:09,751 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:49:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash -891008746, now seen corresponding path program 1 times [2020-04-18 07:49:09,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:49:09,752 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [560086127] [2020-04-18 07:49:09,752 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:09,753 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 07:49:09,753 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 07:49:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 07:49:09,754 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:49:09,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:09,754 INFO L82 PathProgramCache]: Analyzing trace with hash -891008746, now seen corresponding path program 2 times [2020-04-18 07:49:09,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:49:09,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694356392] [2020-04-18 07:49:09,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:49:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 07:49:09,832 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 07:49:09,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694356392] [2020-04-18 07:49:09,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 07:49:09,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 07:49:09,833 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 07:49:09,834 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:09,835 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 07:49:09,835 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 07:49:09,846 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 07:49:09,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:49:09,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:49:09,847 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 07:49:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:49:09,854 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 07:49:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 07:49:09,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 07:49:09,855 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [560086127] [2020-04-18 07:49:09,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 07:49:09,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 07:49:09,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [560086127] [2020-04-18 07:49:09,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 07:49:09,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 07:49:09,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 07:49:09,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:49:09,857 INFO L87 Difference]: Start difference. First operand 28118 states and 118950 transitions. Second operand 3 states. [2020-04-18 07:49:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 07:49:10,271 INFO L93 Difference]: Finished difference Result 41343 states and 171104 transitions. [2020-04-18 07:49:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 07:49:10,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 07:49:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 07:49:10,500 INFO L225 Difference]: With dead ends: 41343 [2020-04-18 07:49:10,501 INFO L226 Difference]: Without dead ends: 41333 [2020-04-18 07:49:10,501 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 07:49:12,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41333 states. [2020-04-18 07:49:13,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41333 to 35461. [2020-04-18 07:49:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35461 states. [2020-04-18 07:49:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35461 states to 35461 states and 147822 transitions. [2020-04-18 07:49:14,033 INFO L78 Accepts]: Start accepts. Automaton has 35461 states and 147822 transitions. Word has length 8 [2020-04-18 07:49:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 07:49:14,033 INFO L479 AbstractCegarLoop]: Abstraction has 35461 states and 147822 transitions. [2020-04-18 07:49:14,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 07:49:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 35461 states and 147822 transitions. [2020-04-18 07:49:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 07:49:14,035 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 07:49:14,035 INFO L425 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-04-18 07:49:14,036 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 07:49:14,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1564387024, now seen corresponding path program 1 times [2020-04-18 07:49:14,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 07:49:14,037 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [496202652] [2020-04-18 07:49:14,037 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 07:49:14,038 INFO L259 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-04-18 07:49:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-04-18 07:49:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 07:49:14,039 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 07:49:14,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 07:49:14,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1564387024, now seen corresponding path program 2 times [2020-04-18 07:49:14,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 07:49:14,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573744289] [2020-04-18 07:49:14,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 07:49:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:49:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 07:49:14,065 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 07:49:14,066 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 07:49:14,066 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 07:49:14,066 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 07:49:14,067 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-04-18 07:49:14,077 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,077 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,077 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,078 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,078 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,079 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,079 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,079 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,080 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,082 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,082 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,083 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,087 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,087 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,088 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,092 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,096 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,096 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,098 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,098 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,099 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,101 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,101 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,101 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,101 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,101 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,103 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,104 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,106 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,106 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,106 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,106 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,108 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,108 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,108 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 07:49:14,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-04-18 07:49:14,110 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 07:49:14,110 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 07:49:14,110 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 07:49:14,110 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 07:49:14,110 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 07:49:14,110 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 07:49:14,110 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 07:49:14,110 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 07:49:14,112 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 166 transitions, 364 flow [2020-04-18 07:49:14,112 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 166 transitions, 364 flow [2020-04-18 07:49:14,151 INFO L129 PetriNetUnfolder]: 59/341 cut-off events. [2020-04-18 07:49:14,151 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-18 07:49:14,155 INFO L80 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 59/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1419 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 277. Up to 15 conditions per place. [2020-04-18 07:49:14,169 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 166 transitions, 364 flow [2020-04-18 07:49:14,205 INFO L129 PetriNetUnfolder]: 59/341 cut-off events. [2020-04-18 07:49:14,206 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-04-18 07:49:14,210 INFO L80 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 341 events. 59/341 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1419 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 277. Up to 15 conditions per place. [2020-04-18 07:49:14,224 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 18792 [2020-04-18 07:49:14,224 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 07:49:16,309 INFO L206 etLargeBlockEncoding]: Checked pairs total: 44116 [2020-04-18 07:49:16,309 INFO L214 etLargeBlockEncoding]: Total number of compositions: 103 [2020-04-18 07:49:16,309 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 86 transitions, 204 flow Received shutdown request... [2020-04-18 07:53:12,682 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 07:53:12,685 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 07:53:12,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 07:53:12 BasicIcfg [2020-04-18 07:53:12,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 07:53:12,689 INFO L168 Benchmark]: Toolchain (without parser) took 257933.65 ms. Allocated memory was 146.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 102.1 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,690 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.58 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 163.5 MB in the end (delta: -63.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.22 ms. Allocated memory is still 204.5 MB. Free memory was 163.5 MB in the beginning and 161.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,692 INFO L168 Benchmark]: Boogie Preprocessor took 31.02 ms. Allocated memory is still 204.5 MB. Free memory was 161.4 MB in the beginning and 159.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,693 INFO L168 Benchmark]: RCFGBuilder took 858.99 ms. Allocated memory is still 204.5 MB. Free memory was 159.4 MB in the beginning and 115.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,694 INFO L168 Benchmark]: TraceAbstraction took 256271.22 ms. Allocated memory was 204.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 114.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-04-18 07:53:12,706 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 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.58 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 100.2 MB in the beginning and 163.5 MB in the end (delta: -63.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.22 ms. Allocated memory is still 204.5 MB. Free memory was 163.5 MB in the beginning and 161.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.02 ms. Allocated memory is still 204.5 MB. Free memory was 161.4 MB in the beginning and 159.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 858.99 ms. Allocated memory is still 204.5 MB. Free memory was 159.4 MB in the beginning and 115.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256271.22 ms. Allocated memory was 204.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 114.4 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 72 ProgramPointsBefore, 32 ProgramPointsAfterwards, 82 TransitionsBefore, 37 TransitionsAfterwards, 2430 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 5 ChoiceCompositions, 1303 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 107 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 5051 CheckedPairsTotal, 60 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 96 ProgramPointsBefore, 47 ProgramPointsAfterwards, 110 TransitionsBefore, 52 TransitionsAfterwards, 6372 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 9 ChoiceCompositions, 3062 VarBasedMoverChecksPositive, 125 VarBasedMoverChecksNegative, 72 SemBasedMoverChecksPositive, 74 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 13976 CheckedPairsTotal, 69 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 120 ProgramPointsBefore, 62 ProgramPointsAfterwards, 138 TransitionsBefore, 67 TransitionsAfterwards, 11826 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 13 ChoiceCompositions, 5396 VarBasedMoverChecksPositive, 114 VarBasedMoverChecksNegative, 34 SemBasedMoverChecksPositive, 100 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 26264 CheckedPairsTotal, 78 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 144 ProgramPointsBefore, 77 ProgramPointsAfterwards, 166 TransitionsBefore, 86 TransitionsAfterwards, 18792 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 38 ConcurrentYvCompositions, 13 ChoiceCompositions, 8470 VarBasedMoverChecksPositive, 483 VarBasedMoverChecksNegative, 413 SemBasedMoverChecksPositive, 115 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 0 MoverChecksTotal, 44116 CheckedPairsTotal, 103 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 692]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 692). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 77 places, 86 transitions, 204 flow. Already constructed 338731 states. Currently 33609 states in worklist.. - TimeoutResultAtElement [Line: 692]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 692). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 77 places, 86 transitions, 204 flow. Already constructed 338731 states. Currently 33609 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 2 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 256.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 247.0s, HoareTripleCheckerStatistics: 280 SDtfs, 79 SDslu, 74 SDs, 0 SdLazy, 30 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37897occurred 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: 6.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 6248 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