/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:44:07,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:44:07,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:44:07,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-19 14:44:07,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:44:07,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:44:07,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:44:07,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:44:07,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:44:07,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:44:07,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:44:07,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:44:07,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:44:07,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:44:07,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:44:07,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:44:07,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-19 14:44:07,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-19 14:44:07,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-19 14:44:07,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-19 14:44:07,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-19 14:44:07,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-19 14:44:07,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-19 14:44:07,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-19 14:44:07,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-19 14:44:07,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:44:07,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:44:07,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:44:07,667 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-PN-NoLbe.epf [2021-10-19 14:44:07,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:44:07,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:44:07,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:44:07,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:44:07,690 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:44:07,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:44:07,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:44:07,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:44:07,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:44:07,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:44:07,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:44:07,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:44:07,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:44:07,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:44:07,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:44:07,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:44:07,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:44:07,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:44:07,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:44:07,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:44:07,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:44:07,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:44:07,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:44:07,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:44:07,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:44:07,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:44:07,900 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:44:07,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-10-19 14:44:07,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df9be6f4/cf02546c27fd488da561214e42c3b4b9/FLAG60d9f45db [2021-10-19 14:44:08,317 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:44:08,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-10-19 14:44:08,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df9be6f4/cf02546c27fd488da561214e42c3b4b9/FLAG60d9f45db [2021-10-19 14:44:08,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df9be6f4/cf02546c27fd488da561214e42c3b4b9 [2021-10-19 14:44:08,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:44:08,345 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:44:08,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:44:08,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:44:08,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:44:08,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a129829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08, skipping insertion in model container [2021-10-19 14:44:08,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:44:08,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:44:08,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-10-19 14:44:08,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:44:08,515 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:44:08,534 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-10-19 14:44:08,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:44:08,544 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:44:08,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08 WrapperNode [2021-10-19 14:44:08,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:44:08,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:44:08,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:44:08,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:44:08,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:44:08,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:44:08,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:44:08,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:44:08,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:44:08,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:44:08,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:44:08,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:44:08,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (1/1) ... [2021-10-19 14:44:08,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:44:08,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:44:08,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:44:08,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:44:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:44:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:44:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:44:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:44:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-19 14:44:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-19 14:44:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-19 14:44:08,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-19 14:44:08,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:44:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:44:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:44:08,676 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:44:09,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:44:09,295 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-19 14:44:09,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:44:09 BoogieIcfgContainer [2021-10-19 14:44:09,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:44:09,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:44:09,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:44:09,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:44:09,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:44:08" (1/3) ... [2021-10-19 14:44:09,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5548be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:44:09, skipping insertion in model container [2021-10-19 14:44:09,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:44:08" (2/3) ... [2021-10-19 14:44:09,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5548be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:44:09, skipping insertion in model container [2021-10-19 14:44:09,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:44:09" (3/3) ... [2021-10-19 14:44:09,305 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-10-19 14:44:09,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:44:09,309 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2021-10-19 14:44:09,309 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:44:09,347 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,348 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,348 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,348 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,349 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,350 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,355 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,355 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,356 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,357 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,358 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,360 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,365 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,365 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,365 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,365 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,366 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,367 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,367 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,368 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,371 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,372 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,372 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,372 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,372 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,372 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,372 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,373 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,373 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,373 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,373 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,373 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,374 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,375 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,376 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,377 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,377 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,377 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,377 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,377 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,377 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,380 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,381 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,383 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,383 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,383 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,384 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,384 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,384 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,384 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,384 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,386 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,387 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,387 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,387 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,388 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,388 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,388 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:44:09,395 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-19 14:44:09,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:44:09,430 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:44:09,430 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-10-19 14:44:09,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 239 transitions, 510 flow [2021-10-19 14:44:09,488 INFO L129 PetriNetUnfolder]: 12/235 cut-off events. [2021-10-19 14:44:09,488 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:44:09,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 235 events. 12/235 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 267 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 164. Up to 2 conditions per place. [2021-10-19 14:44:09,496 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 239 transitions, 510 flow [2021-10-19 14:44:09,502 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 216 transitions, 456 flow [2021-10-19 14:44:09,506 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-10-19 14:44:09,506 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:09,506 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:09,507 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:09,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:09,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:09,510 INFO L82 PathProgramCache]: Analyzing trace with hash -108572669, now seen corresponding path program 1 times [2021-10-19 14:44:09,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:09,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225789557] [2021-10-19 14:44:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:09,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:09,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:09,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225789557] [2021-10-19 14:44:09,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225789557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:09,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:09,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:09,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266220579] [2021-10-19 14:44:09,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:09,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:09,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:09,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:09,652 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 239 [2021-10-19 14:44:09,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 216 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:09,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 239 [2021-10-19 14:44:09,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:09,695 INFO L129 PetriNetUnfolder]: 6/192 cut-off events. [2021-10-19 14:44:09,696 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:44:09,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 192 events. 6/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 172 event pairs, 0 based on Foata normal form. 9/173 useless extension candidates. Maximal degree in co-relation 163. Up to 16 conditions per place. [2021-10-19 14:44:09,698 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 15 selfloop transitions, 2 changer transitions 1/192 dead transitions. [2021-10-19 14:44:09,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 192 transitions, 442 flow [2021-10-19 14:44:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2021-10-19 14:44:09,708 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8772663877266388 [2021-10-19 14:44:09,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 629 transitions. [2021-10-19 14:44:09,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 629 transitions. [2021-10-19 14:44:09,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:09,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 629 transitions. [2021-10-19 14:44:09,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,720 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,721 INFO L186 Difference]: Start difference. First operand has 218 places, 216 transitions, 456 flow. Second operand 3 states and 629 transitions. [2021-10-19 14:44:09,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 192 transitions, 442 flow [2021-10-19 14:44:09,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 192 transitions, 426 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-10-19 14:44:09,727 INFO L242 Difference]: Finished difference. Result has 193 places, 191 transitions, 394 flow [2021-10-19 14:44:09,728 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2021-10-19 14:44:09,729 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -25 predicate places. [2021-10-19 14:44:09,729 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 394 flow [2021-10-19 14:44:09,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,730 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:09,730 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:09,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:44:09,730 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:09,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:09,731 INFO L82 PathProgramCache]: Analyzing trace with hash -713599024, now seen corresponding path program 1 times [2021-10-19 14:44:09,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:09,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985751980] [2021-10-19 14:44:09,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:09,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:09,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:09,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985751980] [2021-10-19 14:44:09,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985751980] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:09,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:09,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:09,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859785210] [2021-10-19 14:44:09,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:09,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:09,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:09,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:09,793 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 239 [2021-10-19 14:44:09,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:09,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 239 [2021-10-19 14:44:09,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:09,826 INFO L129 PetriNetUnfolder]: 6/190 cut-off events. [2021-10-19 14:44:09,826 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:09,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 190 events. 6/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 165 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 175. Up to 10 conditions per place. [2021-10-19 14:44:09,828 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 9 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2021-10-19 14:44:09,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 190 transitions, 414 flow [2021-10-19 14:44:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2021-10-19 14:44:09,830 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8619246861924686 [2021-10-19 14:44:09,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2021-10-19 14:44:09,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2021-10-19 14:44:09,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:09,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2021-10-19 14:44:09,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,834 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,834 INFO L186 Difference]: Start difference. First operand has 193 places, 191 transitions, 394 flow. Second operand 3 states and 618 transitions. [2021-10-19 14:44:09,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 190 transitions, 414 flow [2021-10-19 14:44:09,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 190 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:09,841 INFO L242 Difference]: Finished difference. Result has 191 places, 190 transitions, 392 flow [2021-10-19 14:44:09,841 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=191, PETRI_TRANSITIONS=190} [2021-10-19 14:44:09,842 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2021-10-19 14:44:09,842 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 190 transitions, 392 flow [2021-10-19 14:44:09,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,842 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:09,842 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:09,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:44:09,843 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:09,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:09,845 INFO L82 PathProgramCache]: Analyzing trace with hash -557263748, now seen corresponding path program 1 times [2021-10-19 14:44:09,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:09,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118879524] [2021-10-19 14:44:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:09,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:09,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:09,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:09,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118879524] [2021-10-19 14:44:09,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118879524] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:09,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:09,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:09,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291341948] [2021-10-19 14:44:09,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:09,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:09,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:09,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:09,917 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 239 [2021-10-19 14:44:09,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 190 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:09,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 239 [2021-10-19 14:44:09,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:09,951 INFO L129 PetriNetUnfolder]: 6/189 cut-off events. [2021-10-19 14:44:09,951 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:09,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 189 events. 6/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 162 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 167. Up to 10 conditions per place. [2021-10-19 14:44:09,953 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 9 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2021-10-19 14:44:09,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 412 flow [2021-10-19 14:44:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2021-10-19 14:44:09,955 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8619246861924686 [2021-10-19 14:44:09,955 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2021-10-19 14:44:09,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2021-10-19 14:44:09,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:09,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2021-10-19 14:44:09,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,958 INFO L186 Difference]: Start difference. First operand has 191 places, 190 transitions, 392 flow. Second operand 3 states and 618 transitions. [2021-10-19 14:44:09,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 412 flow [2021-10-19 14:44:09,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 189 transitions, 408 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:09,963 INFO L242 Difference]: Finished difference. Result has 190 places, 189 transitions, 390 flow [2021-10-19 14:44:09,963 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=190, PETRI_TRANSITIONS=189} [2021-10-19 14:44:09,963 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -28 predicate places. [2021-10-19 14:44:09,964 INFO L470 AbstractCegarLoop]: Abstraction has has 190 places, 189 transitions, 390 flow [2021-10-19 14:44:09,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:09,964 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:09,964 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:09,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:44:09,965 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:09,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:09,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1363860552, now seen corresponding path program 1 times [2021-10-19 14:44:09,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:09,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756919160] [2021-10-19 14:44:09,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:09,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756919160] [2021-10-19 14:44:10,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756919160] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486048474] [2021-10-19 14:44:10,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,024 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 239 [2021-10-19 14:44:10,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 189 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 239 [2021-10-19 14:44:10,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,053 INFO L129 PetriNetUnfolder]: 6/188 cut-off events. [2021-10-19 14:44:10,054 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 188 events. 6/188 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 162 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 159. Up to 10 conditions per place. [2021-10-19 14:44:10,055 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 9 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2021-10-19 14:44:10,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 188 transitions, 410 flow [2021-10-19 14:44:10,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2021-10-19 14:44:10,057 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8619246861924686 [2021-10-19 14:44:10,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 618 transitions. [2021-10-19 14:44:10,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 618 transitions. [2021-10-19 14:44:10,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 618 transitions. [2021-10-19 14:44:10,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,060 INFO L186 Difference]: Start difference. First operand has 190 places, 189 transitions, 390 flow. Second operand 3 states and 618 transitions. [2021-10-19 14:44:10,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 188 transitions, 410 flow [2021-10-19 14:44:10,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 188 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:10,063 INFO L242 Difference]: Finished difference. Result has 189 places, 188 transitions, 388 flow [2021-10-19 14:44:10,063 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=189, PETRI_TRANSITIONS=188} [2021-10-19 14:44:10,063 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -29 predicate places. [2021-10-19 14:44:10,063 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 188 transitions, 388 flow [2021-10-19 14:44:10,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,064 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,064 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:44:10,064 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1149508046, now seen corresponding path program 1 times [2021-10-19 14:44:10,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177895677] [2021-10-19 14:44:10,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177895677] [2021-10-19 14:44:10,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177895677] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721801854] [2021-10-19 14:44:10,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,095 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 239 [2021-10-19 14:44:10,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 188 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 239 [2021-10-19 14:44:10,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,126 INFO L129 PetriNetUnfolder]: 6/184 cut-off events. [2021-10-19 14:44:10,126 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 184 events. 6/184 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 148 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 146. Up to 8 conditions per place. [2021-10-19 14:44:10,127 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 9 selfloop transitions, 1 changer transitions 0/184 dead transitions. [2021-10-19 14:44:10,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 184 transitions, 400 flow [2021-10-19 14:44:10,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2021-10-19 14:44:10,129 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8521617852161785 [2021-10-19 14:44:10,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2021-10-19 14:44:10,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2021-10-19 14:44:10,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2021-10-19 14:44:10,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,132 INFO L186 Difference]: Start difference. First operand has 189 places, 188 transitions, 388 flow. Second operand 3 states and 611 transitions. [2021-10-19 14:44:10,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 184 transitions, 400 flow [2021-10-19 14:44:10,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 184 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:10,135 INFO L242 Difference]: Finished difference. Result has 185 places, 184 transitions, 378 flow [2021-10-19 14:44:10,136 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=185, PETRI_TRANSITIONS=184} [2021-10-19 14:44:10,136 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:10,136 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 184 transitions, 378 flow [2021-10-19 14:44:10,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,137 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,137 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:44:10,137 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,138 INFO L82 PathProgramCache]: Analyzing trace with hash 870658937, now seen corresponding path program 1 times [2021-10-19 14:44:10,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046523492] [2021-10-19 14:44:10,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046523492] [2021-10-19 14:44:10,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046523492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274752217] [2021-10-19 14:44:10,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,191 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 239 [2021-10-19 14:44:10,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 184 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 239 [2021-10-19 14:44:10,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,220 INFO L129 PetriNetUnfolder]: 6/182 cut-off events. [2021-10-19 14:44:10,220 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 182 events. 6/182 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 142 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 139. Up to 4 conditions per place. [2021-10-19 14:44:10,221 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 5 selfloop transitions, 1 changer transitions 0/182 dead transitions. [2021-10-19 14:44:10,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 182 transitions, 386 flow [2021-10-19 14:44:10,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2021-10-19 14:44:10,223 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8688981868898187 [2021-10-19 14:44:10,223 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 623 transitions. [2021-10-19 14:44:10,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 623 transitions. [2021-10-19 14:44:10,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 623 transitions. [2021-10-19 14:44:10,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,226 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,226 INFO L186 Difference]: Start difference. First operand has 185 places, 184 transitions, 378 flow. Second operand 3 states and 623 transitions. [2021-10-19 14:44:10,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 182 transitions, 386 flow [2021-10-19 14:44:10,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 182 transitions, 385 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:44:10,230 INFO L242 Difference]: Finished difference. Result has 184 places, 182 transitions, 375 flow [2021-10-19 14:44:10,230 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2021-10-19 14:44:10,230 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -34 predicate places. [2021-10-19 14:44:10,230 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 375 flow [2021-10-19 14:44:10,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,231 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,231 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:44:10,231 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1605663851, now seen corresponding path program 1 times [2021-10-19 14:44:10,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020576537] [2021-10-19 14:44:10,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020576537] [2021-10-19 14:44:10,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020576537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998115850] [2021-10-19 14:44:10,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,280 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 239 [2021-10-19 14:44:10,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 375 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 239 [2021-10-19 14:44:10,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,310 INFO L129 PetriNetUnfolder]: 10/279 cut-off events. [2021-10-19 14:44:10,310 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 279 events. 10/279 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 545 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 242. Up to 5 conditions per place. [2021-10-19 14:44:10,312 INFO L132 encePairwiseOnDemand]: 235/239 looper letters, 5 selfloop transitions, 2 changer transitions 0/181 dead transitions. [2021-10-19 14:44:10,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 181 transitions, 387 flow [2021-10-19 14:44:10,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2021-10-19 14:44:10,314 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8702928870292888 [2021-10-19 14:44:10,314 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2021-10-19 14:44:10,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2021-10-19 14:44:10,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2021-10-19 14:44:10,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,317 INFO L186 Difference]: Start difference. First operand has 184 places, 182 transitions, 375 flow. Second operand 3 states and 624 transitions. [2021-10-19 14:44:10,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 181 transitions, 387 flow [2021-10-19 14:44:10,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 181 transitions, 386 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:44:10,320 INFO L242 Difference]: Finished difference. Result has 184 places, 181 transitions, 380 flow [2021-10-19 14:44:10,320 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=184, PETRI_TRANSITIONS=181} [2021-10-19 14:44:10,320 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -34 predicate places. [2021-10-19 14:44:10,320 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 181 transitions, 380 flow [2021-10-19 14:44:10,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,321 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,321 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:44:10,321 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1755492251, now seen corresponding path program 1 times [2021-10-19 14:44:10,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363362772] [2021-10-19 14:44:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363362772] [2021-10-19 14:44:10,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363362772] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448672260] [2021-10-19 14:44:10,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,389 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 239 [2021-10-19 14:44:10,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 181 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 239 [2021-10-19 14:44:10,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,429 INFO L129 PetriNetUnfolder]: 16/456 cut-off events. [2021-10-19 14:44:10,429 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 456 events. 16/456 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1686 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 440. Up to 10 conditions per place. [2021-10-19 14:44:10,432 INFO L132 encePairwiseOnDemand]: 235/239 looper letters, 5 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2021-10-19 14:44:10,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 180 transitions, 392 flow [2021-10-19 14:44:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2021-10-19 14:44:10,434 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8702928870292888 [2021-10-19 14:44:10,435 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2021-10-19 14:44:10,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2021-10-19 14:44:10,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2021-10-19 14:44:10,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,437 INFO L186 Difference]: Start difference. First operand has 184 places, 181 transitions, 380 flow. Second operand 3 states and 624 transitions. [2021-10-19 14:44:10,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 180 transitions, 392 flow [2021-10-19 14:44:10,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 180 transitions, 392 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:44:10,440 INFO L242 Difference]: Finished difference. Result has 185 places, 180 transitions, 386 flow [2021-10-19 14:44:10,440 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=185, PETRI_TRANSITIONS=180} [2021-10-19 14:44:10,440 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:10,440 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 180 transitions, 386 flow [2021-10-19 14:44:10,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,441 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,441 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:44:10,441 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,441 INFO L82 PathProgramCache]: Analyzing trace with hash -395399841, now seen corresponding path program 1 times [2021-10-19 14:44:10,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733281298] [2021-10-19 14:44:10,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733281298] [2021-10-19 14:44:10,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733281298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456631766] [2021-10-19 14:44:10,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,477 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 239 [2021-10-19 14:44:10,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 180 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 239 [2021-10-19 14:44:10,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,534 INFO L129 PetriNetUnfolder]: 16/452 cut-off events. [2021-10-19 14:44:10,534 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 452 events. 16/452 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1653 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 448. Up to 8 conditions per place. [2021-10-19 14:44:10,537 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 1 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2021-10-19 14:44:10,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 179 transitions, 390 flow [2021-10-19 14:44:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2021-10-19 14:44:10,538 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842398884239888 [2021-10-19 14:44:10,538 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,542 INFO L186 Difference]: Start difference. First operand has 185 places, 180 transitions, 386 flow. Second operand 3 states and 634 transitions. [2021-10-19 14:44:10,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 179 transitions, 390 flow [2021-10-19 14:44:10,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 179 transitions, 390 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:44:10,544 INFO L242 Difference]: Finished difference. Result has 186 places, 179 transitions, 388 flow [2021-10-19 14:44:10,545 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=186, PETRI_TRANSITIONS=179} [2021-10-19 14:44:10,545 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -32 predicate places. [2021-10-19 14:44:10,545 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 179 transitions, 388 flow [2021-10-19 14:44:10,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,545 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,545 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:44:10,546 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1823969060, now seen corresponding path program 1 times [2021-10-19 14:44:10,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695524585] [2021-10-19 14:44:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695524585] [2021-10-19 14:44:10,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695524585] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653226925] [2021-10-19 14:44:10,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,581 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 239 [2021-10-19 14:44:10,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 179 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 239 [2021-10-19 14:44:10,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,616 INFO L129 PetriNetUnfolder]: 16/448 cut-off events. [2021-10-19 14:44:10,616 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 448 events. 16/448 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1617 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 452. Up to 8 conditions per place. [2021-10-19 14:44:10,619 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 1 selfloop transitions, 2 changer transitions 0/178 dead transitions. [2021-10-19 14:44:10,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 178 transitions, 392 flow [2021-10-19 14:44:10,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2021-10-19 14:44:10,621 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842398884239888 [2021-10-19 14:44:10,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,623 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,623 INFO L186 Difference]: Start difference. First operand has 186 places, 179 transitions, 388 flow. Second operand 3 states and 634 transitions. [2021-10-19 14:44:10,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 178 transitions, 392 flow [2021-10-19 14:44:10,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 178 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:10,629 INFO L242 Difference]: Finished difference. Result has 185 places, 178 transitions, 386 flow [2021-10-19 14:44:10,629 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=185, PETRI_TRANSITIONS=178} [2021-10-19 14:44:10,629 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:10,630 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 178 transitions, 386 flow [2021-10-19 14:44:10,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,630 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,630 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:44:10,630 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,631 INFO L82 PathProgramCache]: Analyzing trace with hash -85710781, now seen corresponding path program 1 times [2021-10-19 14:44:10,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705686331] [2021-10-19 14:44:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705686331] [2021-10-19 14:44:10,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705686331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456560462] [2021-10-19 14:44:10,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,649 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 239 [2021-10-19 14:44:10,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 178 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 239 [2021-10-19 14:44:10,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,678 INFO L129 PetriNetUnfolder]: 16/444 cut-off events. [2021-10-19 14:44:10,678 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 444 events. 16/444 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1582 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 446. Up to 8 conditions per place. [2021-10-19 14:44:10,681 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 1 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2021-10-19 14:44:10,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 177 transitions, 390 flow [2021-10-19 14:44:10,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2021-10-19 14:44:10,682 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842398884239888 [2021-10-19 14:44:10,682 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,685 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,685 INFO L186 Difference]: Start difference. First operand has 185 places, 178 transitions, 386 flow. Second operand 3 states and 634 transitions. [2021-10-19 14:44:10,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 177 transitions, 390 flow [2021-10-19 14:44:10,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 177 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:10,687 INFO L242 Difference]: Finished difference. Result has 184 places, 177 transitions, 384 flow [2021-10-19 14:44:10,687 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=184, PETRI_TRANSITIONS=177} [2021-10-19 14:44:10,688 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -34 predicate places. [2021-10-19 14:44:10,688 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 177 transitions, 384 flow [2021-10-19 14:44:10,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,688 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:44:10,688 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,689 INFO L82 PathProgramCache]: Analyzing trace with hash 88722228, now seen corresponding path program 1 times [2021-10-19 14:44:10,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343156724] [2021-10-19 14:44:10,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343156724] [2021-10-19 14:44:10,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343156724] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:10,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586119522] [2021-10-19 14:44:10,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:10,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:10,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:10,707 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 239 [2021-10-19 14:44:10,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 177 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 239 [2021-10-19 14:44:10,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,736 INFO L129 PetriNetUnfolder]: 16/440 cut-off events. [2021-10-19 14:44:10,736 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 440 events. 16/440 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1554 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 448. Up to 8 conditions per place. [2021-10-19 14:44:10,739 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 1 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2021-10-19 14:44:10,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 176 transitions, 388 flow [2021-10-19 14:44:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2021-10-19 14:44:10,741 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842398884239888 [2021-10-19 14:44:10,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2021-10-19 14:44:10,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,744 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,744 INFO L186 Difference]: Start difference. First operand has 184 places, 177 transitions, 384 flow. Second operand 3 states and 634 transitions. [2021-10-19 14:44:10,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 176 transitions, 388 flow [2021-10-19 14:44:10,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 176 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:10,746 INFO L242 Difference]: Finished difference. Result has 183 places, 176 transitions, 382 flow [2021-10-19 14:44:10,746 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=183, PETRI_TRANSITIONS=176} [2021-10-19 14:44:10,747 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -35 predicate places. [2021-10-19 14:44:10,747 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 176 transitions, 382 flow [2021-10-19 14:44:10,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,747 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:44:10,747 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1448468300, now seen corresponding path program 1 times [2021-10-19 14:44:10,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290166532] [2021-10-19 14:44:10,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:10,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:10,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290166532] [2021-10-19 14:44:10,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290166532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:10,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:10,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:44:10,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800392644] [2021-10-19 14:44:10,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:44:10,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:10,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:44:10,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:44:10,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 239 [2021-10-19 14:44:10,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 176 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 185.5) internal successors, (1113), 6 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:10,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 239 [2021-10-19 14:44:10,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:10,905 INFO L129 PetriNetUnfolder]: 16/436 cut-off events. [2021-10-19 14:44:10,905 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:10,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 436 events. 16/436 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1525 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 528. Up to 68 conditions per place. [2021-10-19 14:44:10,908 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 23 selfloop transitions, 4 changer transitions 0/175 dead transitions. [2021-10-19 14:44:10,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 175 transitions, 434 flow [2021-10-19 14:44:10,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:44:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:44:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1132 transitions. [2021-10-19 14:44:10,910 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7894002789400278 [2021-10-19 14:44:10,910 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1132 transitions. [2021-10-19 14:44:10,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1132 transitions. [2021-10-19 14:44:10,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:10,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1132 transitions. [2021-10-19 14:44:10,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.66666666666666) internal successors, (1132), 6 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,914 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,914 INFO L186 Difference]: Start difference. First operand has 183 places, 176 transitions, 382 flow. Second operand 6 states and 1132 transitions. [2021-10-19 14:44:10,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 175 transitions, 434 flow [2021-10-19 14:44:10,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 175 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:44:10,917 INFO L242 Difference]: Finished difference. Result has 185 places, 175 transitions, 384 flow [2021-10-19 14:44:10,917 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=384, PETRI_PLACES=185, PETRI_TRANSITIONS=175} [2021-10-19 14:44:10,917 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:10,918 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 175 transitions, 384 flow [2021-10-19 14:44:10,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.5) internal successors, (1113), 6 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:10,919 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:10,919 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:10,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:44:10,919 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash 629272777, now seen corresponding path program 1 times [2021-10-19 14:44:10,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:10,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312505575] [2021-10-19 14:44:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:10,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:11,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:11,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312505575] [2021-10-19 14:44:11,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312505575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:11,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:11,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:44:11,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621242506] [2021-10-19 14:44:11,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:44:11,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:11,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:44:11,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:44:11,026 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 239 [2021-10-19 14:44:11,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 175 transitions, 384 flow. Second operand has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:11,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 239 [2021-10-19 14:44:11,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:11,108 INFO L129 PetriNetUnfolder]: 16/432 cut-off events. [2021-10-19 14:44:11,108 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:44:11,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 432 events. 16/432 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1502 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 516. Up to 44 conditions per place. [2021-10-19 14:44:11,111 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 22 selfloop transitions, 4 changer transitions 0/174 dead transitions. [2021-10-19 14:44:11,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 174 transitions, 434 flow [2021-10-19 14:44:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:44:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:44:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1131 transitions. [2021-10-19 14:44:11,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7887029288702929 [2021-10-19 14:44:11,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1131 transitions. [2021-10-19 14:44:11,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1131 transitions. [2021-10-19 14:44:11,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:11,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1131 transitions. [2021-10-19 14:44:11,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.5) internal successors, (1131), 6 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,117 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,118 INFO L186 Difference]: Start difference. First operand has 185 places, 175 transitions, 384 flow. Second operand 6 states and 1131 transitions. [2021-10-19 14:44:11,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 174 transitions, 434 flow [2021-10-19 14:44:11,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 174 transitions, 427 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:44:11,121 INFO L242 Difference]: Finished difference. Result has 185 places, 174 transitions, 383 flow [2021-10-19 14:44:11,122 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=383, PETRI_PLACES=185, PETRI_TRANSITIONS=174} [2021-10-19 14:44:11,122 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:11,122 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 174 transitions, 383 flow [2021-10-19 14:44:11,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,122 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:11,123 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:11,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:44:11,123 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:11,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1147036004, now seen corresponding path program 1 times [2021-10-19 14:44:11,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:11,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579057053] [2021-10-19 14:44:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:11,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:11,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:11,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579057053] [2021-10-19 14:44:11,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579057053] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:11,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:11,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:44:11,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730537261] [2021-10-19 14:44:11,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:44:11,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:11,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:44:11,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:44:11,196 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 239 [2021-10-19 14:44:11,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 174 transitions, 383 flow. Second operand has 6 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:11,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 239 [2021-10-19 14:44:11,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:11,267 INFO L129 PetriNetUnfolder]: 16/428 cut-off events. [2021-10-19 14:44:11,267 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:44:11,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 428 events. 16/428 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1475 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 512. Up to 51 conditions per place. [2021-10-19 14:44:11,270 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 21 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2021-10-19 14:44:11,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 173 transitions, 431 flow [2021-10-19 14:44:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:44:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:44:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1130 transitions. [2021-10-19 14:44:11,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7880055788005579 [2021-10-19 14:44:11,272 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1130 transitions. [2021-10-19 14:44:11,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1130 transitions. [2021-10-19 14:44:11,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:11,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1130 transitions. [2021-10-19 14:44:11,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.33333333333334) internal successors, (1130), 6 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,276 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,276 INFO L186 Difference]: Start difference. First operand has 185 places, 174 transitions, 383 flow. Second operand 6 states and 1130 transitions. [2021-10-19 14:44:11,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 173 transitions, 431 flow [2021-10-19 14:44:11,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 173 transitions, 424 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:44:11,279 INFO L242 Difference]: Finished difference. Result has 185 places, 173 transitions, 382 flow [2021-10-19 14:44:11,279 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=382, PETRI_PLACES=185, PETRI_TRANSITIONS=173} [2021-10-19 14:44:11,279 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:11,279 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 173 transitions, 382 flow [2021-10-19 14:44:11,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,280 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:11,280 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:11,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:44:11,280 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:11,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:11,281 INFO L82 PathProgramCache]: Analyzing trace with hash 226483656, now seen corresponding path program 1 times [2021-10-19 14:44:11,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:11,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534437630] [2021-10-19 14:44:11,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:11,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:11,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:11,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534437630] [2021-10-19 14:44:11,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534437630] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:11,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:11,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:44:11,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99460871] [2021-10-19 14:44:11,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:44:11,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:11,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:44:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:44:11,358 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 239 [2021-10-19 14:44:11,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 173 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:11,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 239 [2021-10-19 14:44:11,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:11,424 INFO L129 PetriNetUnfolder]: 16/426 cut-off events. [2021-10-19 14:44:11,424 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:44:11,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 569 conditions, 426 events. 16/426 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1469 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 510. Up to 69 conditions per place. [2021-10-19 14:44:11,427 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 20 selfloop transitions, 4 changer transitions 0/172 dead transitions. [2021-10-19 14:44:11,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 172 transitions, 428 flow [2021-10-19 14:44:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:44:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:44:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1129 transitions. [2021-10-19 14:44:11,429 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7873082287308228 [2021-10-19 14:44:11,429 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1129 transitions. [2021-10-19 14:44:11,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1129 transitions. [2021-10-19 14:44:11,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:11,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1129 transitions. [2021-10-19 14:44:11,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,433 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 239.0) internal successors, (1673), 7 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,433 INFO L186 Difference]: Start difference. First operand has 185 places, 173 transitions, 382 flow. Second operand 6 states and 1129 transitions. [2021-10-19 14:44:11,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 172 transitions, 428 flow [2021-10-19 14:44:11,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 172 transitions, 421 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:44:11,436 INFO L242 Difference]: Finished difference. Result has 185 places, 172 transitions, 381 flow [2021-10-19 14:44:11,436 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=381, PETRI_PLACES=185, PETRI_TRANSITIONS=172} [2021-10-19 14:44:11,436 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -33 predicate places. [2021-10-19 14:44:11,437 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 172 transitions, 381 flow [2021-10-19 14:44:11,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,437 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:44:11,437 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:44:11,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:44:11,437 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2021-10-19 14:44:11,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:44:11,438 INFO L82 PathProgramCache]: Analyzing trace with hash -915620364, now seen corresponding path program 1 times [2021-10-19 14:44:11,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:44:11,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889420027] [2021-10-19 14:44:11,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:44:11,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:44:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:44:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:44:11,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:44:11,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889420027] [2021-10-19 14:44:11,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889420027] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:44:11,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:44:11,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:44:11,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003368279] [2021-10-19 14:44:11,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:44:11,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:44:11,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:44:11,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:44:11,465 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 239 [2021-10-19 14:44:11,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 172 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:44:11,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 239 [2021-10-19 14:44:11,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:44:11,504 INFO L129 PetriNetUnfolder]: 16/425 cut-off events. [2021-10-19 14:44:11,504 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:44:11,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 425 events. 16/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1469 event pairs, 0 based on Foata normal form. 1/411 useless extension candidates. Maximal degree in co-relation 472. Up to 13 conditions per place. [2021-10-19 14:44:11,506 INFO L132 encePairwiseOnDemand]: 237/239 looper letters, 0 selfloop transitions, 0 changer transitions 171/171 dead transitions. [2021-10-19 14:44:11,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 171 transitions, 389 flow [2021-10-19 14:44:11,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:44:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:44:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2021-10-19 14:44:11,507 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8744769874476988 [2021-10-19 14:44:11,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2021-10-19 14:44:11,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2021-10-19 14:44:11,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:44:11,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2021-10-19 14:44:11,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,509 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,509 INFO L186 Difference]: Start difference. First operand has 185 places, 172 transitions, 381 flow. Second operand 3 states and 627 transitions. [2021-10-19 14:44:11,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 171 transitions, 389 flow [2021-10-19 14:44:11,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 171 transitions, 382 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:44:11,511 INFO L242 Difference]: Finished difference. Result has 182 places, 0 transitions, 0 flow [2021-10-19 14:44:11,511 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=182, PETRI_TRANSITIONS=0} [2021-10-19 14:44:11,511 INFO L334 CegarLoopForPetriNet]: 218 programPoint places, -36 predicate places. [2021-10-19 14:44:11,512 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 0 transitions, 0 flow [2021-10-19 14:44:11,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,514 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,515 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,516 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,517 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:44:11,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:44:11,523 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:44:11,524 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:44:11,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:44:11 BasicIcfg [2021-10-19 14:44:11,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:44:11,526 INFO L168 Benchmark]: Toolchain (without parser) took 3180.89 ms. Allocated memory was 191.9 MB in the beginning and 282.1 MB in the end (delta: 90.2 MB). Free memory was 141.0 MB in the beginning and 233.1 MB in the end (delta: -92.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:44:11,526 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 191.9 MB. Free memory was 157.4 MB in the beginning and 157.3 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:44:11,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.15 ms. Allocated memory is still 191.9 MB. Free memory was 140.8 MB in the beginning and 165.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-19 14:44:11,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 191.9 MB. Free memory was 165.7 MB in the beginning and 163.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:44:11,527 INFO L168 Benchmark]: Boogie Preprocessor took 39.54 ms. Allocated memory is still 191.9 MB. Free memory was 163.1 MB in the beginning and 161.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:44:11,527 INFO L168 Benchmark]: RCFGBuilder took 675.88 ms. Allocated memory is still 191.9 MB. Free memory was 161.6 MB in the beginning and 127.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:44:11,527 INFO L168 Benchmark]: TraceAbstraction took 2225.67 ms. Allocated memory was 191.9 MB in the beginning and 282.1 MB in the end (delta: 90.2 MB). Free memory was 126.9 MB in the beginning and 233.1 MB in the end (delta: -106.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:44:11,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 191.9 MB. Free memory was 157.4 MB in the beginning and 157.3 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 197.15 ms. Allocated memory is still 191.9 MB. Free memory was 140.8 MB in the beginning and 165.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 191.9 MB. Free memory was 165.7 MB in the beginning and 163.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.54 ms. Allocated memory is still 191.9 MB. Free memory was 163.1 MB in the beginning and 161.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 675.88 ms. Allocated memory is still 191.9 MB. Free memory was 161.6 MB in the beginning and 127.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2225.67 ms. Allocated memory was 191.9 MB in the beginning and 282.1 MB in the end (delta: 90.2 MB). Free memory was 126.9 MB in the beginning and 233.1 MB in the end (delta: -106.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 294 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2098.1ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 999.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 72.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 129 SDtfs, 55 SDslu, 0 SDs, 0 SdLazy, 239 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 177.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 115.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=456occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.9ms SsaConstructionTime, 206.2ms SatisfiabilityAnalysisTime, 538.9ms InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 1763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:44:11,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...