/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/bench-exp3x3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:38:28,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:38:28,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:38:28,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-19 14:38:28,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:38:28,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:38:28,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:38:28,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:38:28,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:38:28,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:38:28,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:38:28,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:38:28,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:38:28,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:38:28,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:38:28,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:38:28,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-19 14:38:28,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:38:28,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:38:28,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:38:28,760 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 14:38:28,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:38:28,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:38:28,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:38:28,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:38:28,778 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:38:28,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:38:28,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:38:28,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:38:28,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:38:28,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:38:28,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:38:28,782 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:38:29,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:38:29,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:38:29,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:38:29,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:38:29,026 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:38:29,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2021-10-19 14:38:29,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd174e1d/13f884014dac4595869ce17a5f6f497a/FLAG5c3b44098 [2021-10-19 14:38:29,524 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:38:29,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3.wvr.c [2021-10-19 14:38:29,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd174e1d/13f884014dac4595869ce17a5f6f497a/FLAG5c3b44098 [2021-10-19 14:38:29,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dd174e1d/13f884014dac4595869ce17a5f6f497a [2021-10-19 14:38:29,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:38:29,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:38:29,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:38:29,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:38:29,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:38:29,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:38:29" (1/1) ... [2021-10-19 14:38:29,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d7669a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:29, skipping insertion in model container [2021-10-19 14:38:29,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:38:29" (1/1) ... [2021-10-19 14:38:29,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:38:29,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:38:30,128 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/bench-exp3x3.wvr.c[2625,2638] [2021-10-19 14:38:30,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:38:30,137 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:38:30,166 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/bench-exp3x3.wvr.c[2625,2638] [2021-10-19 14:38:30,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:38:30,180 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:38:30,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30 WrapperNode [2021-10-19 14:38:30,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:38:30,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:38:30,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:38:30,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:38:30,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:38:30,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:38:30,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:38:30,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:38:30,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:38:30,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:38:30,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:38:30,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:38:30,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (1/1) ... [2021-10-19 14:38:30,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:38:30,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:38:30,313 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 14:38:30,338 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 14:38:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:38:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:38:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:38:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:38:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-19 14:38:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-19 14:38:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-19 14:38:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-19 14:38:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:38:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-19 14:38:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-19 14:38:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-19 14:38:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-19 14:38:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:38:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:38:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:38:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:38:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:38:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:38:30,362 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 14:38:31,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:38:31,020 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-19 14:38:31,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:38:31 BoogieIcfgContainer [2021-10-19 14:38:31,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:38:31,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:38:31,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:38:31,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:38:31,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:38:29" (1/3) ... [2021-10-19 14:38:31,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b69219e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:38:31, skipping insertion in model container [2021-10-19 14:38:31,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:38:30" (2/3) ... [2021-10-19 14:38:31,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b69219e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:38:31, skipping insertion in model container [2021-10-19 14:38:31,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:38:31" (3/3) ... [2021-10-19 14:38:31,029 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2021-10-19 14:38:31,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:38:31,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2021-10-19 14:38:31,036 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:38:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,088 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,089 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,090 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,091 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,091 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,091 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,092 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,093 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,094 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,095 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,095 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,095 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,096 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,097 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,097 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,097 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,104 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,104 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,104 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,106 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,106 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,106 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,107 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,108 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,108 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,109 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,110 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,111 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,112 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:38:31,121 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-10-19 14:38:31,161 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:38:31,166 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 14:38:31,166 INFO L340 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2021-10-19 14:38:31,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 413 transitions, 874 flow [2021-10-19 14:38:31,311 INFO L129 PetriNetUnfolder]: 21/407 cut-off events. [2021-10-19 14:38:31,311 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-19 14:38:31,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 407 events. 21/407 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 679 event pairs, 0 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 287. Up to 2 conditions per place. [2021-10-19 14:38:31,321 INFO L82 GeneralOperation]: Start removeDead. Operand has 411 places, 413 transitions, 874 flow [2021-10-19 14:38:31,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 380 transitions, 796 flow [2021-10-19 14:38:31,337 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-10-19 14:38:31,338 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:31,338 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:31,338 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] [2021-10-19 14:38:31,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:31,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:31,345 INFO L82 PathProgramCache]: Analyzing trace with hash -77923730, now seen corresponding path program 1 times [2021-10-19 14:38:31,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:31,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863272733] [2021-10-19 14:38:31,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:31,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:31,540 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 14:38:31,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:31,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863272733] [2021-10-19 14:38:31,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863272733] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:31,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:31,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:31,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968760056] [2021-10-19 14:38:31,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:31,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:31,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:31,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:31,570 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 413 [2021-10-19 14:38:31,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 380 transitions, 796 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 14:38:31,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:31,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 413 [2021-10-19 14:38:31,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:31,793 INFO L129 PetriNetUnfolder]: 12/372 cut-off events. [2021-10-19 14:38:31,794 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-19 14:38:31,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 372 events. 12/372 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 648 event pairs, 0 based on Foata normal form. 18/321 useless extension candidates. Maximal degree in co-relation 303. Up to 25 conditions per place. [2021-10-19 14:38:31,803 INFO L132 encePairwiseOnDemand]: 403/413 looper letters, 24 selfloop transitions, 2 changer transitions 1/372 dead transitions. [2021-10-19 14:38:31,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 372 transitions, 832 flow [2021-10-19 14:38:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2021-10-19 14:38:31,824 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9402744148506861 [2021-10-19 14:38:31,824 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2021-10-19 14:38:31,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2021-10-19 14:38:31,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:31,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2021-10-19 14:38:31,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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 14:38:31,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:31,848 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:31,849 INFO L186 Difference]: Start difference. First operand has 380 places, 380 transitions, 796 flow. Second operand 3 states and 1165 transitions. [2021-10-19 14:38:31,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 372 transitions, 832 flow [2021-10-19 14:38:31,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 372 transitions, 808 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-10-19 14:38:31,868 INFO L242 Difference]: Finished difference. Result has 369 places, 371 transitions, 758 flow [2021-10-19 14:38:31,870 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=758, PETRI_PLACES=369, PETRI_TRANSITIONS=371} [2021-10-19 14:38:31,871 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -11 predicate places. [2021-10-19 14:38:31,872 INFO L470 AbstractCegarLoop]: Abstraction has has 369 places, 371 transitions, 758 flow [2021-10-19 14:38:31,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 14:38:31,873 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:31,873 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] [2021-10-19 14:38:31,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:38:31,873 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:31,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:31,874 INFO L82 PathProgramCache]: Analyzing trace with hash 187329727, now seen corresponding path program 1 times [2021-10-19 14:38:31,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:31,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328771880] [2021-10-19 14:38:31,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:31,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:31,960 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 14:38:31,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:31,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328771880] [2021-10-19 14:38:31,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328771880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:31,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:31,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:31,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258649719] [2021-10-19 14:38:31,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:31,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:31,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:31,966 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:31,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 371 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:31,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:31,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:31,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:32,058 INFO L129 PetriNetUnfolder]: 12/370 cut-off events. [2021-10-19 14:38:32,058 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:32,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 370 events. 12/370 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 645 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 370. Up to 22 conditions per place. [2021-10-19 14:38:32,065 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 21 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2021-10-19 14:38:32,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 370 transitions, 802 flow [2021-10-19 14:38:32,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2021-10-19 14:38:32,069 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9394673123486683 [2021-10-19 14:38:32,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1164 transitions. [2021-10-19 14:38:32,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1164 transitions. [2021-10-19 14:38:32,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:32,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1164 transitions. [2021-10-19 14:38:32,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 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 14:38:32,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,077 INFO L186 Difference]: Start difference. First operand has 369 places, 371 transitions, 758 flow. Second operand 3 states and 1164 transitions. [2021-10-19 14:38:32,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 370 transitions, 802 flow [2021-10-19 14:38:32,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 370 transitions, 798 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:32,090 INFO L242 Difference]: Finished difference. Result has 367 places, 370 transitions, 756 flow [2021-10-19 14:38:32,091 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=756, PETRI_PLACES=367, PETRI_TRANSITIONS=370} [2021-10-19 14:38:32,091 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -13 predicate places. [2021-10-19 14:38:32,092 INFO L470 AbstractCegarLoop]: Abstraction has has 367 places, 370 transitions, 756 flow [2021-10-19 14:38:32,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:32,093 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:32,093 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] [2021-10-19 14:38:32,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:38:32,094 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:32,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:32,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1555233122, now seen corresponding path program 1 times [2021-10-19 14:38:32,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:32,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171103132] [2021-10-19 14:38:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:32,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:32,165 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 14:38:32,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:32,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171103132] [2021-10-19 14:38:32,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171103132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:32,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:32,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:32,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487399409] [2021-10-19 14:38:32,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:32,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:32,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:32,170 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 413 [2021-10-19 14:38:32,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 370 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 14:38:32,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:32,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 413 [2021-10-19 14:38:32,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:32,259 INFO L129 PetriNetUnfolder]: 12/369 cut-off events. [2021-10-19 14:38:32,259 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:32,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 369 events. 12/369 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 643 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 366. Up to 25 conditions per place. [2021-10-19 14:38:32,265 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2021-10-19 14:38:32,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 369 transitions, 806 flow [2021-10-19 14:38:32,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1158 transitions. [2021-10-19 14:38:32,269 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9346246973365617 [2021-10-19 14:38:32,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1158 transitions. [2021-10-19 14:38:32,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1158 transitions. [2021-10-19 14:38:32,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:32,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1158 transitions. [2021-10-19 14:38:32,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.0) internal successors, (1158), 3 states have internal predecessors, (1158), 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 14:38:32,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,275 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,275 INFO L186 Difference]: Start difference. First operand has 367 places, 370 transitions, 756 flow. Second operand 3 states and 1158 transitions. [2021-10-19 14:38:32,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 369 transitions, 806 flow [2021-10-19 14:38:32,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 369 transitions, 802 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:32,286 INFO L242 Difference]: Finished difference. Result has 366 places, 369 transitions, 754 flow [2021-10-19 14:38:32,287 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=366, PETRI_TRANSITIONS=369} [2021-10-19 14:38:32,287 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -14 predicate places. [2021-10-19 14:38:32,287 INFO L470 AbstractCegarLoop]: Abstraction has has 366 places, 369 transitions, 754 flow [2021-10-19 14:38:32,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 14:38:32,288 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:32,288 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] [2021-10-19 14:38:32,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:38:32,290 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:32,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:32,291 INFO L82 PathProgramCache]: Analyzing trace with hash -922083566, now seen corresponding path program 1 times [2021-10-19 14:38:32,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:32,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411693209] [2021-10-19 14:38:32,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:32,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:32,354 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 14:38:32,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:32,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411693209] [2021-10-19 14:38:32,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411693209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:32,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:32,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:32,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921306406] [2021-10-19 14:38:32,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:32,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:32,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:32,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:32,359 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:32,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 369 transitions, 754 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:32,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:32,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:32,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:32,440 INFO L129 PetriNetUnfolder]: 12/368 cut-off events. [2021-10-19 14:38:32,441 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:32,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 368 events. 12/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 641 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 356. Up to 22 conditions per place. [2021-10-19 14:38:32,448 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 21 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2021-10-19 14:38:32,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 368 transitions, 798 flow [2021-10-19 14:38:32,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2021-10-19 14:38:32,452 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9394673123486683 [2021-10-19 14:38:32,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1164 transitions. [2021-10-19 14:38:32,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1164 transitions. [2021-10-19 14:38:32,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:32,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1164 transitions. [2021-10-19 14:38:32,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 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 14:38:32,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,458 INFO L186 Difference]: Start difference. First operand has 366 places, 369 transitions, 754 flow. Second operand 3 states and 1164 transitions. [2021-10-19 14:38:32,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 368 transitions, 798 flow [2021-10-19 14:38:32,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 368 transitions, 794 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:32,466 INFO L242 Difference]: Finished difference. Result has 365 places, 368 transitions, 752 flow [2021-10-19 14:38:32,467 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=365, PETRI_TRANSITIONS=368} [2021-10-19 14:38:32,467 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -15 predicate places. [2021-10-19 14:38:32,467 INFO L470 AbstractCegarLoop]: Abstraction has has 365 places, 368 transitions, 752 flow [2021-10-19 14:38:32,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:32,468 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:32,468 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] [2021-10-19 14:38:32,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:38:32,468 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:32,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:32,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1177899893, now seen corresponding path program 1 times [2021-10-19 14:38:32,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:32,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289851051] [2021-10-19 14:38:32,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:32,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:32,529 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 14:38:32,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:32,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289851051] [2021-10-19 14:38:32,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289851051] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:32,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:32,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:32,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87990195] [2021-10-19 14:38:32,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:32,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:32,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:32,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:32,556 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 413 [2021-10-19 14:38:32,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 368 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 14:38:32,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:32,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 413 [2021-10-19 14:38:32,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:32,639 INFO L129 PetriNetUnfolder]: 12/367 cut-off events. [2021-10-19 14:38:32,640 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:32,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 367 events. 12/367 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 639 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 352. Up to 25 conditions per place. [2021-10-19 14:38:32,645 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 24 selfloop transitions, 2 changer transitions 0/367 dead transitions. [2021-10-19 14:38:32,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 367 transitions, 802 flow [2021-10-19 14:38:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1158 transitions. [2021-10-19 14:38:32,654 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9346246973365617 [2021-10-19 14:38:32,654 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1158 transitions. [2021-10-19 14:38:32,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1158 transitions. [2021-10-19 14:38:32,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:32,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1158 transitions. [2021-10-19 14:38:32,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.0) internal successors, (1158), 3 states have internal predecessors, (1158), 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 14:38:32,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,660 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,660 INFO L186 Difference]: Start difference. First operand has 365 places, 368 transitions, 752 flow. Second operand 3 states and 1158 transitions. [2021-10-19 14:38:32,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 367 transitions, 802 flow [2021-10-19 14:38:32,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 367 transitions, 798 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:32,667 INFO L242 Difference]: Finished difference. Result has 364 places, 367 transitions, 750 flow [2021-10-19 14:38:32,668 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=364, PETRI_TRANSITIONS=367} [2021-10-19 14:38:32,668 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -16 predicate places. [2021-10-19 14:38:32,668 INFO L470 AbstractCegarLoop]: Abstraction has has 364 places, 367 transitions, 750 flow [2021-10-19 14:38:32,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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 14:38:32,669 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:32,669 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] [2021-10-19 14:38:32,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:38:32,669 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:32,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1270509965, now seen corresponding path program 1 times [2021-10-19 14:38:32,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:32,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361317495] [2021-10-19 14:38:32,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:32,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:32,720 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 14:38:32,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:32,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361317495] [2021-10-19 14:38:32,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361317495] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:32,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:32,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:32,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742335089] [2021-10-19 14:38:32,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:32,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:32,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:32,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:32,724 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:32,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 367 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:32,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:32,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:32,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:32,808 INFO L129 PetriNetUnfolder]: 12/366 cut-off events. [2021-10-19 14:38:32,808 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:32,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 366 events. 12/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 638 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 341. Up to 21 conditions per place. [2021-10-19 14:38:32,814 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 20 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2021-10-19 14:38:32,814 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 366 transitions, 792 flow [2021-10-19 14:38:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1163 transitions. [2021-10-19 14:38:32,817 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9386602098466506 [2021-10-19 14:38:32,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1163 transitions. [2021-10-19 14:38:32,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1163 transitions. [2021-10-19 14:38:32,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:32,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1163 transitions. [2021-10-19 14:38:32,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 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 14:38:32,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:32,824 INFO L186 Difference]: Start difference. First operand has 364 places, 367 transitions, 750 flow. Second operand 3 states and 1163 transitions. [2021-10-19 14:38:32,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 366 transitions, 792 flow [2021-10-19 14:38:32,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 366 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:32,831 INFO L242 Difference]: Finished difference. Result has 363 places, 366 transitions, 748 flow [2021-10-19 14:38:32,832 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=363, PETRI_TRANSITIONS=366} [2021-10-19 14:38:32,832 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -17 predicate places. [2021-10-19 14:38:32,832 INFO L470 AbstractCegarLoop]: Abstraction has has 363 places, 366 transitions, 748 flow [2021-10-19 14:38:32,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:32,834 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:32,834 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 14:38:32,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:38:32,835 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash -616852905, now seen corresponding path program 1 times [2021-10-19 14:38:32,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:32,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295920094] [2021-10-19 14:38:32,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:32,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:32,887 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 14:38:32,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:32,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295920094] [2021-10-19 14:38:32,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295920094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:32,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:32,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:32,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690155680] [2021-10-19 14:38:32,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:32,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:32,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:32,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:32,895 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:32,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 366 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:32,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:32,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:32,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:41,123 INFO L129 PetriNetUnfolder]: 16161/53342 cut-off events. [2021-10-19 14:38:41,123 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:41,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73149 conditions, 53342 events. 16161/53342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2769. Compared 780752 event pairs, 14337 based on Foata normal form. 0/38123 useless extension candidates. Maximal degree in co-relation 73085. Up to 19795 conditions per place. [2021-10-19 14:38:42,500 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 21 selfloop transitions, 2 changer transitions 0/365 dead transitions. [2021-10-19 14:38:42,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 365 transitions, 792 flow [2021-10-19 14:38:42,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2021-10-19 14:38:42,504 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9394673123486683 [2021-10-19 14:38:42,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1164 transitions. [2021-10-19 14:38:42,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1164 transitions. [2021-10-19 14:38:42,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:42,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1164 transitions. [2021-10-19 14:38:42,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 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 14:38:42,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:42,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:42,510 INFO L186 Difference]: Start difference. First operand has 363 places, 366 transitions, 748 flow. Second operand 3 states and 1164 transitions. [2021-10-19 14:38:42,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 365 transitions, 792 flow [2021-10-19 14:38:42,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 365 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:42,518 INFO L242 Difference]: Finished difference. Result has 362 places, 365 transitions, 746 flow [2021-10-19 14:38:42,518 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=362, PETRI_TRANSITIONS=365} [2021-10-19 14:38:42,518 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -18 predicate places. [2021-10-19 14:38:42,519 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 365 transitions, 746 flow [2021-10-19 14:38:42,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:42,519 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:42,519 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] [2021-10-19 14:38:42,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:38:42,520 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:42,520 INFO L82 PathProgramCache]: Analyzing trace with hash -713260535, now seen corresponding path program 1 times [2021-10-19 14:38:42,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:42,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111597839] [2021-10-19 14:38:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:42,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:42,561 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 14:38:42,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:42,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111597839] [2021-10-19 14:38:42,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111597839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:42,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:42,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:42,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633245690] [2021-10-19 14:38:42,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:42,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:42,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:42,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:42,567 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:42,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 365 transitions, 746 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:42,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:42,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:42,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:42,761 INFO L129 PetriNetUnfolder]: 12/360 cut-off events. [2021-10-19 14:38:42,761 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:38:42,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 360 events. 12/360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 619 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 318. Up to 13 conditions per place. [2021-10-19 14:38:42,767 INFO L132 encePairwiseOnDemand]: 404/413 looper letters, 15 selfloop transitions, 3 changer transitions 0/360 dead transitions. [2021-10-19 14:38:42,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 360 transitions, 772 flow [2021-10-19 14:38:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1164 transitions. [2021-10-19 14:38:42,770 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9394673123486683 [2021-10-19 14:38:42,770 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1164 transitions. [2021-10-19 14:38:42,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1164 transitions. [2021-10-19 14:38:42,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:42,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1164 transitions. [2021-10-19 14:38:42,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 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 14:38:42,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:42,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:42,776 INFO L186 Difference]: Start difference. First operand has 362 places, 365 transitions, 746 flow. Second operand 3 states and 1164 transitions. [2021-10-19 14:38:42,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 360 transitions, 772 flow [2021-10-19 14:38:42,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 360 transitions, 768 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:42,782 INFO L242 Difference]: Finished difference. Result has 357 places, 360 transitions, 743 flow [2021-10-19 14:38:42,782 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=743, PETRI_PLACES=357, PETRI_TRANSITIONS=360} [2021-10-19 14:38:42,783 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2021-10-19 14:38:42,783 INFO L470 AbstractCegarLoop]: Abstraction has has 357 places, 360 transitions, 743 flow [2021-10-19 14:38:42,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:42,784 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:42,784 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] [2021-10-19 14:38:42,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:38:42,784 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:42,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:42,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1751421161, now seen corresponding path program 1 times [2021-10-19 14:38:42,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:42,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728693137] [2021-10-19 14:38:42,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:42,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:42,815 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 14:38:42,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:42,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728693137] [2021-10-19 14:38:42,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728693137] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:42,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:42,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:42,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658155217] [2021-10-19 14:38:42,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:42,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:42,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:42,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:42,818 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 413 [2021-10-19 14:38:42,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 360 transitions, 743 flow. Second operand has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:42,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:42,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 413 [2021-10-19 14:38:42,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:42,873 INFO L129 PetriNetUnfolder]: 12/356 cut-off events. [2021-10-19 14:38:42,873 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:38:42,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 356 events. 12/356 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 607 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 307. Up to 11 conditions per place. [2021-10-19 14:38:42,879 INFO L132 encePairwiseOnDemand]: 405/413 looper letters, 13 selfloop transitions, 3 changer transitions 0/356 dead transitions. [2021-10-19 14:38:42,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 356 transitions, 767 flow [2021-10-19 14:38:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1170 transitions. [2021-10-19 14:38:42,882 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9443099273607748 [2021-10-19 14:38:42,883 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1170 transitions. [2021-10-19 14:38:42,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1170 transitions. [2021-10-19 14:38:42,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:42,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1170 transitions. [2021-10-19 14:38:42,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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 14:38:42,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:42,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:42,888 INFO L186 Difference]: Start difference. First operand has 357 places, 360 transitions, 743 flow. Second operand 3 states and 1170 transitions. [2021-10-19 14:38:42,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 356 transitions, 767 flow [2021-10-19 14:38:42,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 356 transitions, 764 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:38:42,895 INFO L242 Difference]: Finished difference. Result has 354 places, 356 transitions, 743 flow [2021-10-19 14:38:42,895 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=743, PETRI_PLACES=354, PETRI_TRANSITIONS=356} [2021-10-19 14:38:42,896 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -26 predicate places. [2021-10-19 14:38:42,896 INFO L470 AbstractCegarLoop]: Abstraction has has 354 places, 356 transitions, 743 flow [2021-10-19 14:38:42,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:42,896 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:42,897 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] [2021-10-19 14:38:42,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:38:42,897 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:42,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:42,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1156096496, now seen corresponding path program 1 times [2021-10-19 14:38:42,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:42,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120137438] [2021-10-19 14:38:42,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:42,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:42,936 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 14:38:42,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:42,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120137438] [2021-10-19 14:38:42,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120137438] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:42,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:42,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:42,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728252648] [2021-10-19 14:38:42,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:42,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:42,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:42,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:42,943 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:42,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 356 transitions, 743 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:42,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:42,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:42,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:43,023 INFO L129 PetriNetUnfolder]: 20/548 cut-off events. [2021-10-19 14:38:43,024 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:38:43,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 548 events. 20/548 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1690 event pairs, 0 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 508. Up to 14 conditions per place. [2021-10-19 14:38:43,032 INFO L132 encePairwiseOnDemand]: 403/413 looper letters, 15 selfloop transitions, 4 changer transitions 0/352 dead transitions. [2021-10-19 14:38:43,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 352 transitions, 773 flow [2021-10-19 14:38:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2021-10-19 14:38:43,035 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9402744148506861 [2021-10-19 14:38:43,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2021-10-19 14:38:43,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2021-10-19 14:38:43,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:43,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2021-10-19 14:38:43,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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 14:38:43,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,041 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,041 INFO L186 Difference]: Start difference. First operand has 354 places, 356 transitions, 743 flow. Second operand 3 states and 1165 transitions. [2021-10-19 14:38:43,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 352 transitions, 773 flow [2021-10-19 14:38:43,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 352 transitions, 770 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:38:43,048 INFO L242 Difference]: Finished difference. Result has 350 places, 352 transitions, 748 flow [2021-10-19 14:38:43,050 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=350, PETRI_TRANSITIONS=352} [2021-10-19 14:38:43,050 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -30 predicate places. [2021-10-19 14:38:43,050 INFO L470 AbstractCegarLoop]: Abstraction has has 350 places, 352 transitions, 748 flow [2021-10-19 14:38:43,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:43,051 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:43,051 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 14:38:43,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:38:43,051 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:43,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:43,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1387768364, now seen corresponding path program 1 times [2021-10-19 14:38:43,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:43,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781375766] [2021-10-19 14:38:43,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:43,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:43,082 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 14:38:43,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:43,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781375766] [2021-10-19 14:38:43,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781375766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:43,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:43,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:43,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473306516] [2021-10-19 14:38:43,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:43,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:43,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:43,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:43,088 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 413 [2021-10-19 14:38:43,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 352 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:43,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:43,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 413 [2021-10-19 14:38:43,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:43,189 INFO L129 PetriNetUnfolder]: 27/743 cut-off events. [2021-10-19 14:38:43,189 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:38:43,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 743 events. 27/743 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3108 event pairs, 0 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 593. Up to 17 conditions per place. [2021-10-19 14:38:43,200 INFO L132 encePairwiseOnDemand]: 405/413 looper letters, 13 selfloop transitions, 3 changer transitions 0/348 dead transitions. [2021-10-19 14:38:43,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 348 transitions, 772 flow [2021-10-19 14:38:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1170 transitions. [2021-10-19 14:38:43,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9443099273607748 [2021-10-19 14:38:43,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1170 transitions. [2021-10-19 14:38:43,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1170 transitions. [2021-10-19 14:38:43,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:43,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1170 transitions. [2021-10-19 14:38:43,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 390.0) internal successors, (1170), 3 states have internal predecessors, (1170), 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 14:38:43,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,209 INFO L186 Difference]: Start difference. First operand has 350 places, 352 transitions, 748 flow. Second operand 3 states and 1170 transitions. [2021-10-19 14:38:43,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 348 transitions, 772 flow [2021-10-19 14:38:43,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 348 transitions, 768 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:38:43,216 INFO L242 Difference]: Finished difference. Result has 347 places, 348 transitions, 747 flow [2021-10-19 14:38:43,217 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=747, PETRI_PLACES=347, PETRI_TRANSITIONS=348} [2021-10-19 14:38:43,217 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -33 predicate places. [2021-10-19 14:38:43,218 INFO L470 AbstractCegarLoop]: Abstraction has has 347 places, 348 transitions, 747 flow [2021-10-19 14:38:43,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:43,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:43,218 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] [2021-10-19 14:38:43,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:38:43,219 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:43,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:43,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1255360100, now seen corresponding path program 1 times [2021-10-19 14:38:43,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:43,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54624150] [2021-10-19 14:38:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:43,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:43,240 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 14:38:43,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:43,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54624150] [2021-10-19 14:38:43,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54624150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:43,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:43,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:43,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014749880] [2021-10-19 14:38:43,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:43,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:43,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:43,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:43,245 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:43,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 348 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:43,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:43,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:43,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:43,416 INFO L129 PetriNetUnfolder]: 45/1244 cut-off events. [2021-10-19 14:38:43,416 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:38:43,429 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 1244 events. 45/1244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7346 event pairs, 0 based on Foata normal form. 0/1097 useless extension candidates. Maximal degree in co-relation 1050. Up to 38 conditions per place. [2021-10-19 14:38:43,435 INFO L132 encePairwiseOnDemand]: 403/413 looper letters, 15 selfloop transitions, 4 changer transitions 0/344 dead transitions. [2021-10-19 14:38:43,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 344 transitions, 777 flow [2021-10-19 14:38:43,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2021-10-19 14:38:43,438 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9402744148506861 [2021-10-19 14:38:43,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2021-10-19 14:38:43,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2021-10-19 14:38:43,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:43,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2021-10-19 14:38:43,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 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 14:38:43,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,444 INFO L186 Difference]: Start difference. First operand has 347 places, 348 transitions, 747 flow. Second operand 3 states and 1165 transitions. [2021-10-19 14:38:43,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 344 transitions, 777 flow [2021-10-19 14:38:43,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 344 transitions, 774 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:38:43,453 INFO L242 Difference]: Finished difference. Result has 343 places, 344 transitions, 752 flow [2021-10-19 14:38:43,453 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=343, PETRI_TRANSITIONS=344} [2021-10-19 14:38:43,454 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -37 predicate places. [2021-10-19 14:38:43,454 INFO L470 AbstractCegarLoop]: Abstraction has has 343 places, 344 transitions, 752 flow [2021-10-19 14:38:43,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 14:38:43,454 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:43,454 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] [2021-10-19 14:38:43,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:38:43,455 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:43,455 INFO L82 PathProgramCache]: Analyzing trace with hash 484774046, now seen corresponding path program 1 times [2021-10-19 14:38:43,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:43,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705943040] [2021-10-19 14:38:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:43,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:43,485 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 14:38:43,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:43,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705943040] [2021-10-19 14:38:43,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705943040] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:43,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:43,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:43,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334432178] [2021-10-19 14:38:43,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:43,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:43,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:43,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:43,489 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 413 [2021-10-19 14:38:43,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 344 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:43,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:43,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 413 [2021-10-19 14:38:43,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:43,781 INFO L129 PetriNetUnfolder]: 60/1736 cut-off events. [2021-10-19 14:38:43,781 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-19 14:38:43,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1995 conditions, 1736 events. 60/1736 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 12196 event pairs, 0 based on Foata normal form. 1/1559 useless extension candidates. Maximal degree in co-relation 1510. Up to 46 conditions per place. [2021-10-19 14:38:43,803 INFO L132 encePairwiseOnDemand]: 405/413 looper letters, 11 selfloop transitions, 3 changer transitions 19/340 dead transitions. [2021-10-19 14:38:43,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 340 transitions, 774 flow [2021-10-19 14:38:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1169 transitions. [2021-10-19 14:38:43,806 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.943502824858757 [2021-10-19 14:38:43,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1169 transitions. [2021-10-19 14:38:43,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1169 transitions. [2021-10-19 14:38:43,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:43,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1169 transitions. [2021-10-19 14:38:43,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 389.6666666666667) internal successors, (1169), 3 states have internal predecessors, (1169), 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 14:38:43,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,813 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:43,813 INFO L186 Difference]: Start difference. First operand has 343 places, 344 transitions, 752 flow. Second operand 3 states and 1169 transitions. [2021-10-19 14:38:43,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 340 transitions, 774 flow [2021-10-19 14:38:43,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 340 transitions, 770 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:38:43,819 INFO L242 Difference]: Finished difference. Result has 340 places, 321 transitions, 712 flow [2021-10-19 14:38:43,820 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=712, PETRI_PLACES=340, PETRI_TRANSITIONS=321} [2021-10-19 14:38:43,820 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -40 predicate places. [2021-10-19 14:38:43,820 INFO L470 AbstractCegarLoop]: Abstraction has has 340 places, 321 transitions, 712 flow [2021-10-19 14:38:43,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:43,821 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:43,821 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] [2021-10-19 14:38:43,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:38:43,821 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:43,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:43,822 INFO L82 PathProgramCache]: Analyzing trace with hash 238231016, now seen corresponding path program 1 times [2021-10-19 14:38:43,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:43,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962223153] [2021-10-19 14:38:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:43,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:43,850 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 14:38:43,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:43,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962223153] [2021-10-19 14:38:43,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962223153] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:43,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:43,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:43,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835606245] [2021-10-19 14:38:43,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:43,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:43,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:43,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:43,853 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 413 [2021-10-19 14:38:43,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 321 transitions, 712 flow. Second operand has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:43,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:43,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 413 [2021-10-19 14:38:43,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:47,811 INFO L129 PetriNetUnfolder]: 7793/34258 cut-off events. [2021-10-19 14:38:47,811 INFO L130 PetriNetUnfolder]: For 540/540 co-relation queries the response was YES. [2021-10-19 14:38:48,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47033 conditions, 34258 events. 7793/34258 cut-off events. For 540/540 co-relation queries the response was YES. Maximal size of possible extension queue 1603. Compared 499689 event pairs, 4038 based on Foata normal form. 0/29357 useless extension candidates. Maximal degree in co-relation 17074. Up to 9450 conditions per place. [2021-10-19 14:38:48,738 INFO L132 encePairwiseOnDemand]: 401/413 looper letters, 14 selfloop transitions, 6 changer transitions 0/321 dead transitions. [2021-10-19 14:38:48,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 321 transitions, 752 flow [2021-10-19 14:38:48,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1175 transitions. [2021-10-19 14:38:48,741 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9483454398708636 [2021-10-19 14:38:48,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1175 transitions. [2021-10-19 14:38:48,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1175 transitions. [2021-10-19 14:38:48,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:48,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1175 transitions. [2021-10-19 14:38:48,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 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 14:38:48,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:48,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:48,747 INFO L186 Difference]: Start difference. First operand has 340 places, 321 transitions, 712 flow. Second operand 3 states and 1175 transitions. [2021-10-19 14:38:48,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 321 transitions, 752 flow [2021-10-19 14:38:48,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 749 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:38:48,823 INFO L242 Difference]: Finished difference. Result has 318 places, 321 transitions, 739 flow [2021-10-19 14:38:48,823 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=697, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=739, PETRI_PLACES=318, PETRI_TRANSITIONS=321} [2021-10-19 14:38:48,823 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -62 predicate places. [2021-10-19 14:38:48,824 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 321 transitions, 739 flow [2021-10-19 14:38:48,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 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 14:38:48,824 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:48,824 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] [2021-10-19 14:38:48,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:38:48,825 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:48,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:48,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1907863381, now seen corresponding path program 1 times [2021-10-19 14:38:48,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:48,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356209630] [2021-10-19 14:38:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:48,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:48,850 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 14:38:48,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:48,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356209630] [2021-10-19 14:38:48,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356209630] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:48,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:48,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:48,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290090221] [2021-10-19 14:38:48,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:48,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:48,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:48,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:48,854 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 413 [2021-10-19 14:38:48,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 321 transitions, 739 flow. Second operand has 3 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 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 14:38:48,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:48,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 413 [2021-10-19 14:38:48,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:49,737 INFO L129 PetriNetUnfolder]: 1018/6465 cut-off events. [2021-10-19 14:38:49,738 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:38:49,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8299 conditions, 6465 events. 1018/6465 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 67313 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 3979. Up to 1144 conditions per place. [2021-10-19 14:38:49,856 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/320 dead transitions. [2021-10-19 14:38:49,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 320 transitions, 773 flow [2021-10-19 14:38:49,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2021-10-19 14:38:49,860 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.927360774818402 [2021-10-19 14:38:49,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2021-10-19 14:38:49,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2021-10-19 14:38:49,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:49,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2021-10-19 14:38:49,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 14:38:49,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:49,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:49,865 INFO L186 Difference]: Start difference. First operand has 318 places, 321 transitions, 739 flow. Second operand 3 states and 1149 transitions. [2021-10-19 14:38:49,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 320 transitions, 773 flow [2021-10-19 14:38:49,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 320 transitions, 773 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-19 14:38:49,874 INFO L242 Difference]: Finished difference. Result has 319 places, 320 transitions, 741 flow [2021-10-19 14:38:49,874 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=319, PETRI_TRANSITIONS=320} [2021-10-19 14:38:49,874 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -61 predicate places. [2021-10-19 14:38:49,875 INFO L470 AbstractCegarLoop]: Abstraction has has 319 places, 320 transitions, 741 flow [2021-10-19 14:38:49,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 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 14:38:49,875 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:49,875 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] [2021-10-19 14:38:49,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:38:49,876 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:49,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:49,876 INFO L82 PathProgramCache]: Analyzing trace with hash -919120811, now seen corresponding path program 1 times [2021-10-19 14:38:49,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:49,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862352175] [2021-10-19 14:38:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:49,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:49,901 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 14:38:49,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:49,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862352175] [2021-10-19 14:38:49,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862352175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:49,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:49,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:49,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776702302] [2021-10-19 14:38:49,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:49,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:49,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:49,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:49,904 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:49,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 320 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 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 14:38:49,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:49,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:49,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:50,759 INFO L129 PetriNetUnfolder]: 1022/6412 cut-off events. [2021-10-19 14:38:50,759 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-10-19 14:38:50,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8875 conditions, 6412 events. 1022/6412 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 66397 event pairs, 188 based on Foata normal form. 0/5492 useless extension candidates. Maximal degree in co-relation 8528. Up to 1152 conditions per place. [2021-10-19 14:38:50,853 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 14 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2021-10-19 14:38:50,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 319 transitions, 771 flow [2021-10-19 14:38:50,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:50,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2021-10-19 14:38:50,856 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9330104923325262 [2021-10-19 14:38:50,856 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2021-10-19 14:38:50,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2021-10-19 14:38:50,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:50,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2021-10-19 14:38:50,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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 14:38:50,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:50,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:50,861 INFO L186 Difference]: Start difference. First operand has 319 places, 320 transitions, 741 flow. Second operand 3 states and 1156 transitions. [2021-10-19 14:38:50,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 319 transitions, 771 flow [2021-10-19 14:38:50,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 319 transitions, 767 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:50,869 INFO L242 Difference]: Finished difference. Result has 318 places, 319 transitions, 739 flow [2021-10-19 14:38:50,869 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=735, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=739, PETRI_PLACES=318, PETRI_TRANSITIONS=319} [2021-10-19 14:38:50,870 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -62 predicate places. [2021-10-19 14:38:50,870 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 319 transitions, 739 flow [2021-10-19 14:38:50,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 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 14:38:50,870 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:50,870 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] [2021-10-19 14:38:50,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:38:50,871 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:50,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:50,871 INFO L82 PathProgramCache]: Analyzing trace with hash 889654971, now seen corresponding path program 1 times [2021-10-19 14:38:50,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:50,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907131923] [2021-10-19 14:38:50,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:50,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:50,898 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 14:38:50,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:50,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907131923] [2021-10-19 14:38:50,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907131923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:50,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:50,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:50,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196301192] [2021-10-19 14:38:50,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:50,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:50,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:50,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:50,902 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 413 [2021-10-19 14:38:50,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 319 transitions, 739 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 14:38:50,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:50,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 413 [2021-10-19 14:38:50,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:51,773 INFO L129 PetriNetUnfolder]: 1018/6359 cut-off events. [2021-10-19 14:38:51,773 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-10-19 14:38:51,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8769 conditions, 6359 events. 1018/6359 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 65723 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 8125. Up to 1144 conditions per place. [2021-10-19 14:38:51,881 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 17 selfloop transitions, 2 changer transitions 0/318 dead transitions. [2021-10-19 14:38:51,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 318 transitions, 775 flow [2021-10-19 14:38:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:51,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2021-10-19 14:38:51,884 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.927360774818402 [2021-10-19 14:38:51,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2021-10-19 14:38:51,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2021-10-19 14:38:51,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:51,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2021-10-19 14:38:51,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 14:38:51,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:51,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:51,889 INFO L186 Difference]: Start difference. First operand has 318 places, 319 transitions, 739 flow. Second operand 3 states and 1149 transitions. [2021-10-19 14:38:51,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 318 transitions, 775 flow [2021-10-19 14:38:51,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 318 transitions, 771 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:51,898 INFO L242 Difference]: Finished difference. Result has 317 places, 318 transitions, 737 flow [2021-10-19 14:38:51,898 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=317, PETRI_TRANSITIONS=318} [2021-10-19 14:38:51,898 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -63 predicate places. [2021-10-19 14:38:51,898 INFO L470 AbstractCegarLoop]: Abstraction has has 317 places, 318 transitions, 737 flow [2021-10-19 14:38:51,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 14:38:51,899 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:51,899 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] [2021-10-19 14:38:51,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:38:51,899 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:51,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:51,900 INFO L82 PathProgramCache]: Analyzing trace with hash -239240334, now seen corresponding path program 1 times [2021-10-19 14:38:51,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:51,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805137139] [2021-10-19 14:38:51,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:51,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:51,924 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 14:38:51,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:51,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805137139] [2021-10-19 14:38:51,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805137139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:51,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:51,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:51,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179563513] [2021-10-19 14:38:51,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:51,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:51,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:51,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:51,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:51,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 318 transitions, 737 flow. Second operand has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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 14:38:51,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:51,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:51,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:52,742 INFO L129 PetriNetUnfolder]: 1018/6290 cut-off events. [2021-10-19 14:38:52,742 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2021-10-19 14:38:52,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8746 conditions, 6290 events. 1018/6290 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 64606 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 8159. Up to 1144 conditions per place. [2021-10-19 14:38:52,850 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 14 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2021-10-19 14:38:52,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 317 transitions, 767 flow [2021-10-19 14:38:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2021-10-19 14:38:52,853 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9330104923325262 [2021-10-19 14:38:52,853 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2021-10-19 14:38:52,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2021-10-19 14:38:52,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:52,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2021-10-19 14:38:52,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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 14:38:52,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:52,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:52,858 INFO L186 Difference]: Start difference. First operand has 317 places, 318 transitions, 737 flow. Second operand 3 states and 1156 transitions. [2021-10-19 14:38:52,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 317 transitions, 767 flow [2021-10-19 14:38:52,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 763 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:52,868 INFO L242 Difference]: Finished difference. Result has 316 places, 317 transitions, 735 flow [2021-10-19 14:38:52,868 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=735, PETRI_PLACES=316, PETRI_TRANSITIONS=317} [2021-10-19 14:38:52,868 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2021-10-19 14:38:52,868 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 317 transitions, 735 flow [2021-10-19 14:38:52,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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 14:38:52,869 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:52,869 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] [2021-10-19 14:38:52,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-19 14:38:52,869 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread5Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1082842247, now seen corresponding path program 1 times [2021-10-19 14:38:52,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:52,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404649547] [2021-10-19 14:38:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:52,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:52,896 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 14:38:52,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:52,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404649547] [2021-10-19 14:38:52,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404649547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:52,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:52,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:52,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381460541] [2021-10-19 14:38:52,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:52,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:52,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:52,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:52,899 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 413 [2021-10-19 14:38:52,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 317 transitions, 735 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 14:38:52,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:52,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 413 [2021-10-19 14:38:52,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:53,579 INFO L129 PetriNetUnfolder]: 1018/6248 cut-off events. [2021-10-19 14:38:53,580 INFO L130 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2021-10-19 14:38:53,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8514 conditions, 6248 events. 1018/6248 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 64071 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 7964. Up to 1144 conditions per place. [2021-10-19 14:38:53,694 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 17 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2021-10-19 14:38:53,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 316 transitions, 771 flow [2021-10-19 14:38:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2021-10-19 14:38:53,697 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.927360774818402 [2021-10-19 14:38:53,697 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2021-10-19 14:38:53,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2021-10-19 14:38:53,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:53,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2021-10-19 14:38:53,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 14:38:53,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:53,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:53,701 INFO L186 Difference]: Start difference. First operand has 316 places, 317 transitions, 735 flow. Second operand 3 states and 1149 transitions. [2021-10-19 14:38:53,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 316 transitions, 771 flow [2021-10-19 14:38:53,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 316 transitions, 767 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:53,709 INFO L242 Difference]: Finished difference. Result has 315 places, 316 transitions, 733 flow [2021-10-19 14:38:53,710 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=733, PETRI_PLACES=315, PETRI_TRANSITIONS=316} [2021-10-19 14:38:53,710 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -65 predicate places. [2021-10-19 14:38:53,710 INFO L470 AbstractCegarLoop]: Abstraction has has 315 places, 316 transitions, 733 flow [2021-10-19 14:38:53,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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 14:38:53,711 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:53,711 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] [2021-10-19 14:38:53,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-19 14:38:53,711 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:53,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:53,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1456504390, now seen corresponding path program 1 times [2021-10-19 14:38:53,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:53,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467352945] [2021-10-19 14:38:53,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:53,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:53,822 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 14:38:53,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:53,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467352945] [2021-10-19 14:38:53,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467352945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:53,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:53,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:38:53,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786760818] [2021-10-19 14:38:53,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:38:53,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:53,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:38:53,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:38:53,825 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 413 [2021-10-19 14:38:53,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 316 transitions, 733 flow. Second operand has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 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 14:38:53,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:53,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 413 [2021-10-19 14:38:53,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:54,679 INFO L129 PetriNetUnfolder]: 1018/6239 cut-off events. [2021-10-19 14:38:54,679 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2021-10-19 14:38:54,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8514 conditions, 6239 events. 1018/6239 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 63808 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 8054. Up to 1144 conditions per place. [2021-10-19 14:38:54,779 INFO L132 encePairwiseOnDemand]: 408/413 looper letters, 35 selfloop transitions, 4 changer transitions 0/315 dead transitions. [2021-10-19 14:38:54,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 315 transitions, 809 flow [2021-10-19 14:38:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:38:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:38:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2212 transitions. [2021-10-19 14:38:54,784 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8926553672316384 [2021-10-19 14:38:54,784 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2212 transitions. [2021-10-19 14:38:54,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2212 transitions. [2021-10-19 14:38:54,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:54,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2212 transitions. [2021-10-19 14:38:54,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.6666666666667) internal successors, (2212), 6 states have internal predecessors, (2212), 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 14:38:54,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:54,792 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:54,792 INFO L186 Difference]: Start difference. First operand has 315 places, 316 transitions, 733 flow. Second operand 6 states and 2212 transitions. [2021-10-19 14:38:54,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 315 transitions, 809 flow [2021-10-19 14:38:54,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 315 transitions, 805 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:54,801 INFO L242 Difference]: Finished difference. Result has 317 places, 315 transitions, 735 flow [2021-10-19 14:38:54,801 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=735, PETRI_PLACES=317, PETRI_TRANSITIONS=315} [2021-10-19 14:38:54,801 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -63 predicate places. [2021-10-19 14:38:54,801 INFO L470 AbstractCegarLoop]: Abstraction has has 317 places, 315 transitions, 735 flow [2021-10-19 14:38:54,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 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 14:38:54,802 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:54,802 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] [2021-10-19 14:38:54,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-19 14:38:54,802 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thread6Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:54,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:54,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1293339335, now seen corresponding path program 1 times [2021-10-19 14:38:54,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:54,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30487361] [2021-10-19 14:38:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:54,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:54,827 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 14:38:54,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:54,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30487361] [2021-10-19 14:38:54,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30487361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:54,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:54,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:38:54,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001477048] [2021-10-19 14:38:54,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:38:54,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:54,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:38:54,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:38:54,830 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 413 [2021-10-19 14:38:54,831 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 315 transitions, 735 flow. Second operand has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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 14:38:54,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:54,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 413 [2021-10-19 14:38:54,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:55,497 INFO L129 PetriNetUnfolder]: 1018/6218 cut-off events. [2021-10-19 14:38:55,497 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-19 14:38:55,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8208 conditions, 6218 events. 1018/6218 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 63499 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 7496. Up to 1144 conditions per place. [2021-10-19 14:38:55,610 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 14 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2021-10-19 14:38:55,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 314 transitions, 765 flow [2021-10-19 14:38:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:38:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:38:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2021-10-19 14:38:55,612 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9330104923325262 [2021-10-19 14:38:55,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2021-10-19 14:38:55,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2021-10-19 14:38:55,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:55,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2021-10-19 14:38:55,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 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 14:38:55,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:55,616 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 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 14:38:55,616 INFO L186 Difference]: Start difference. First operand has 317 places, 315 transitions, 735 flow. Second operand 3 states and 1156 transitions. [2021-10-19 14:38:55,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 314 transitions, 765 flow [2021-10-19 14:38:55,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 758 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:38:55,625 INFO L242 Difference]: Finished difference. Result has 314 places, 314 transitions, 730 flow [2021-10-19 14:38:55,626 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2021-10-19 14:38:55,626 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -66 predicate places. [2021-10-19 14:38:55,626 INFO L470 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 730 flow [2021-10-19 14:38:55,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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 14:38:55,627 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:55,627 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] [2021-10-19 14:38:55,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-19 14:38:55,628 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:55,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:55,628 INFO L82 PathProgramCache]: Analyzing trace with hash -649672806, now seen corresponding path program 1 times [2021-10-19 14:38:55,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:55,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139678196] [2021-10-19 14:38:55,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:55,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:55,722 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 14:38:55,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:55,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139678196] [2021-10-19 14:38:55,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139678196] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:55,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:55,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:38:55,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223383256] [2021-10-19 14:38:55,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:38:55,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:55,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:38:55,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:38:55,726 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 413 [2021-10-19 14:38:55,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 730 flow. Second operand has 6 states, 6 states have (on average 364.3333333333333) internal successors, (2186), 6 states have internal predecessors, (2186), 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 14:38:55,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:55,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 413 [2021-10-19 14:38:55,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:56,577 INFO L129 PetriNetUnfolder]: 1018/6209 cut-off events. [2021-10-19 14:38:56,577 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-10-19 14:38:56,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8442 conditions, 6209 events. 1018/6209 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 63363 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 8051. Up to 1144 conditions per place. [2021-10-19 14:38:56,653 INFO L132 encePairwiseOnDemand]: 408/413 looper letters, 34 selfloop transitions, 4 changer transitions 0/313 dead transitions. [2021-10-19 14:38:56,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 313 transitions, 804 flow [2021-10-19 14:38:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:38:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:38:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2211 transitions. [2021-10-19 14:38:56,657 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8922518159806295 [2021-10-19 14:38:56,657 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2211 transitions. [2021-10-19 14:38:56,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2211 transitions. [2021-10-19 14:38:56,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:56,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2211 transitions. [2021-10-19 14:38:56,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.5) internal successors, (2211), 6 states have internal predecessors, (2211), 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 14:38:56,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:56,666 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:56,666 INFO L186 Difference]: Start difference. First operand has 314 places, 314 transitions, 730 flow. Second operand 6 states and 2211 transitions. [2021-10-19 14:38:56,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 313 transitions, 804 flow [2021-10-19 14:38:56,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 313 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:38:56,673 INFO L242 Difference]: Finished difference. Result has 316 places, 313 transitions, 732 flow [2021-10-19 14:38:56,674 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=732, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2021-10-19 14:38:56,674 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2021-10-19 14:38:56,674 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 732 flow [2021-10-19 14:38:56,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 364.3333333333333) internal successors, (2186), 6 states have internal predecessors, (2186), 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 14:38:56,675 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:56,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:38:56,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-19 14:38:56,676 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:56,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:56,676 INFO L82 PathProgramCache]: Analyzing trace with hash -518131141, now seen corresponding path program 1 times [2021-10-19 14:38:56,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:56,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322802734] [2021-10-19 14:38:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:56,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:56,766 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 14:38:56,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:56,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322802734] [2021-10-19 14:38:56,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322802734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:56,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:56,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:38:56,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277195632] [2021-10-19 14:38:56,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:38:56,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:56,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:38:56,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:38:56,770 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 413 [2021-10-19 14:38:56,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 732 flow. Second operand has 6 states, 6 states have (on average 365.1666666666667) internal successors, (2191), 6 states have internal predecessors, (2191), 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 14:38:56,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:56,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 413 [2021-10-19 14:38:56,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:57,608 INFO L129 PetriNetUnfolder]: 1018/6176 cut-off events. [2021-10-19 14:38:57,608 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-10-19 14:38:57,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8394 conditions, 6176 events. 1018/6176 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 63104 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 7391. Up to 1144 conditions per place. [2021-10-19 14:38:57,720 INFO L132 encePairwiseOnDemand]: 408/413 looper letters, 33 selfloop transitions, 4 changer transitions 0/312 dead transitions. [2021-10-19 14:38:57,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 312 transitions, 804 flow [2021-10-19 14:38:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:38:57,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:38:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2210 transitions. [2021-10-19 14:38:57,724 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2021-10-19 14:38:57,724 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2210 transitions. [2021-10-19 14:38:57,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2210 transitions. [2021-10-19 14:38:57,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:57,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2210 transitions. [2021-10-19 14:38:57,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.3333333333333) internal successors, (2210), 6 states have internal predecessors, (2210), 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 14:38:57,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:57,733 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:57,734 INFO L186 Difference]: Start difference. First operand has 316 places, 313 transitions, 732 flow. Second operand 6 states and 2210 transitions. [2021-10-19 14:38:57,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 312 transitions, 804 flow [2021-10-19 14:38:57,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 312 transitions, 797 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:38:57,747 INFO L242 Difference]: Finished difference. Result has 316 places, 312 transitions, 731 flow [2021-10-19 14:38:57,748 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=731, PETRI_PLACES=316, PETRI_TRANSITIONS=312} [2021-10-19 14:38:57,748 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2021-10-19 14:38:57,748 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 312 transitions, 731 flow [2021-10-19 14:38:57,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 365.1666666666667) internal successors, (2191), 6 states have internal predecessors, (2191), 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 14:38:57,749 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:57,749 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, 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 14:38:57,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-19 14:38:57,749 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:57,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:57,751 INFO L82 PathProgramCache]: Analyzing trace with hash -711842536, now seen corresponding path program 1 times [2021-10-19 14:38:57,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:57,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035690241] [2021-10-19 14:38:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:57,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:57,890 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 14:38:57,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:57,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035690241] [2021-10-19 14:38:57,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035690241] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:57,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:57,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:38:57,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551025430] [2021-10-19 14:38:57,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:38:57,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:57,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:38:57,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:38:57,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 413 [2021-10-19 14:38:57,895 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 312 transitions, 731 flow. Second operand has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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 14:38:57,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:57,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 413 [2021-10-19 14:38:57,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:58,630 INFO L129 PetriNetUnfolder]: 1018/6159 cut-off events. [2021-10-19 14:38:58,630 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-10-19 14:38:58,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8449 conditions, 6159 events. 1018/6159 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 62890 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 7589. Up to 1144 conditions per place. [2021-10-19 14:38:58,741 INFO L132 encePairwiseOnDemand]: 408/413 looper letters, 32 selfloop transitions, 4 changer transitions 0/311 dead transitions. [2021-10-19 14:38:58,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 311 transitions, 801 flow [2021-10-19 14:38:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:38:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:38:58,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2209 transitions. [2021-10-19 14:38:58,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8914447134786118 [2021-10-19 14:38:58,746 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2209 transitions. [2021-10-19 14:38:58,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2209 transitions. [2021-10-19 14:38:58,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:58,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2209 transitions. [2021-10-19 14:38:58,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.1666666666667) internal successors, (2209), 6 states have internal predecessors, (2209), 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 14:38:58,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:58,754 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:58,754 INFO L186 Difference]: Start difference. First operand has 316 places, 312 transitions, 731 flow. Second operand 6 states and 2209 transitions. [2021-10-19 14:38:58,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 311 transitions, 801 flow [2021-10-19 14:38:58,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 311 transitions, 794 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:38:58,763 INFO L242 Difference]: Finished difference. Result has 316 places, 311 transitions, 730 flow [2021-10-19 14:38:58,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=730, PETRI_PLACES=316, PETRI_TRANSITIONS=311} [2021-10-19 14:38:58,763 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2021-10-19 14:38:58,763 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 311 transitions, 730 flow [2021-10-19 14:38:58,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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 14:38:58,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:58,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:58,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-19 14:38:58,764 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:58,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:58,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1496442436, now seen corresponding path program 1 times [2021-10-19 14:38:58,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:58,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113636400] [2021-10-19 14:38:58,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:58,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:58,868 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 14:38:58,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:58,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113636400] [2021-10-19 14:38:58,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113636400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:58,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:58,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:38:58,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947083760] [2021-10-19 14:38:58,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:38:58,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:58,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:38:58,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:38:58,872 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 413 [2021-10-19 14:38:58,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 311 transitions, 730 flow. Second operand has 6 states, 6 states have (on average 366.8333333333333) internal successors, (2201), 6 states have internal predecessors, (2201), 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 14:38:58,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:58,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 413 [2021-10-19 14:38:58,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:38:59,635 INFO L129 PetriNetUnfolder]: 1018/6152 cut-off events. [2021-10-19 14:38:59,635 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-10-19 14:38:59,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8394 conditions, 6152 events. 1018/6152 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 62953 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 8003. Up to 1144 conditions per place. [2021-10-19 14:38:59,733 INFO L132 encePairwiseOnDemand]: 408/413 looper letters, 31 selfloop transitions, 4 changer transitions 0/310 dead transitions. [2021-10-19 14:38:59,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 310 transitions, 798 flow [2021-10-19 14:38:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:38:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:38:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2208 transitions. [2021-10-19 14:38:59,736 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8910411622276029 [2021-10-19 14:38:59,736 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2208 transitions. [2021-10-19 14:38:59,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2208 transitions. [2021-10-19 14:38:59,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:38:59,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2208 transitions. [2021-10-19 14:38:59,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 368.0) internal successors, (2208), 6 states have internal predecessors, (2208), 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 14:38:59,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:59,741 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:38:59,741 INFO L186 Difference]: Start difference. First operand has 316 places, 311 transitions, 730 flow. Second operand 6 states and 2208 transitions. [2021-10-19 14:38:59,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 310 transitions, 798 flow [2021-10-19 14:38:59,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 310 transitions, 791 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:38:59,749 INFO L242 Difference]: Finished difference. Result has 316 places, 310 transitions, 729 flow [2021-10-19 14:38:59,749 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=316, PETRI_TRANSITIONS=310} [2021-10-19 14:38:59,749 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2021-10-19 14:38:59,749 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 310 transitions, 729 flow [2021-10-19 14:38:59,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 366.8333333333333) internal successors, (2201), 6 states have internal predecessors, (2201), 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 14:38:59,750 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:38:59,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:38:59,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-19 14:38:59,750 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2021-10-19 14:38:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:38:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1144684184, now seen corresponding path program 1 times [2021-10-19 14:38:59,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:38:59,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586204639] [2021-10-19 14:38:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:38:59,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:38:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:38:59,849 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 14:38:59,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:38:59,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586204639] [2021-10-19 14:38:59,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586204639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:38:59,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:38:59,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:38:59,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846146687] [2021-10-19 14:38:59,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:38:59,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:38:59,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:38:59,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:38:59,853 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 413 [2021-10-19 14:38:59,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 310 transitions, 729 flow. Second operand has 6 states, 6 states have (on average 367.6666666666667) internal successors, (2206), 6 states have internal predecessors, (2206), 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 14:38:59,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:38:59,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 413 [2021-10-19 14:38:59,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:39:00,579 INFO L129 PetriNetUnfolder]: 1018/6149 cut-off events. [2021-10-19 14:39:00,579 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-10-19 14:39:00,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8361 conditions, 6149 events. 1018/6149 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 62943 event pairs, 188 based on Foata normal form. 0/5524 useless extension candidates. Maximal degree in co-relation 8211. Up to 1144 conditions per place. [2021-10-19 14:39:00,657 INFO L132 encePairwiseOnDemand]: 408/413 looper letters, 0 selfloop transitions, 0 changer transitions 309/309 dead transitions. [2021-10-19 14:39:00,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 309 transitions, 795 flow [2021-10-19 14:39:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:39:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:39:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2207 transitions. [2021-10-19 14:39:00,660 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.890637610976594 [2021-10-19 14:39:00,660 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2207 transitions. [2021-10-19 14:39:00,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2207 transitions. [2021-10-19 14:39:00,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:39:00,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2207 transitions. [2021-10-19 14:39:00,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 367.8333333333333) internal successors, (2207), 6 states have internal predecessors, (2207), 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 14:39:00,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:39:00,665 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 413.0) internal successors, (2891), 7 states have internal predecessors, (2891), 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 14:39:00,665 INFO L186 Difference]: Start difference. First operand has 316 places, 310 transitions, 729 flow. Second operand 6 states and 2207 transitions. [2021-10-19 14:39:00,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 309 transitions, 795 flow [2021-10-19 14:39:00,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 309 transitions, 788 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:39:00,671 INFO L242 Difference]: Finished difference. Result has 316 places, 0 transitions, 0 flow [2021-10-19 14:39:00,671 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=316, PETRI_TRANSITIONS=0} [2021-10-19 14:39:00,672 INFO L334 CegarLoopForPetriNet]: 380 programPoint places, -64 predicate places. [2021-10-19 14:39:00,672 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 0 transitions, 0 flow [2021-10-19 14:39:00,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 367.6666666666667) internal successors, (2206), 6 states have internal predecessors, (2206), 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 14:39:00,674 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,676 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,677 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,678 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-19 14:39:00,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,686 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:39:00,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-19 14:39:00,693 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:39:00,693 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:39:00,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:39:00 BasicIcfg [2021-10-19 14:39:00,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:39:00,697 INFO L168 Benchmark]: Toolchain (without parser) took 30761.32 ms. Allocated memory was 180.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 129.6 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 8.0 GB. [2021-10-19 14:39:00,697 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 180.4 MB. Free memory is still 146.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:39:00,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.11 ms. Allocated memory is still 180.4 MB. Free memory was 129.4 MB in the beginning and 154.0 MB in the end (delta: -24.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. [2021-10-19 14:39:00,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 180.4 MB. Free memory was 154.0 MB in the beginning and 151.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:39:00,697 INFO L168 Benchmark]: Boogie Preprocessor took 53.65 ms. Allocated memory is still 180.4 MB. Free memory was 151.3 MB in the beginning and 148.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:39:00,698 INFO L168 Benchmark]: RCFGBuilder took 742.04 ms. Allocated memory is still 180.4 MB. Free memory was 148.7 MB in the beginning and 124.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:39:00,698 INFO L168 Benchmark]: TraceAbstraction took 29671.18 ms. Allocated memory was 180.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 124.1 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.7 GB. Max. memory is 8.0 GB. [2021-10-19 14:39:00,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 180.4 MB. Free memory is still 146.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 243.11 ms. Allocated memory is still 180.4 MB. Free memory was 129.4 MB in the beginning and 154.0 MB in the end (delta: -24.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.34 ms. Allocated memory is still 180.4 MB. Free memory was 154.0 MB in the beginning and 151.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.65 ms. Allocated memory is still 180.4 MB. Free memory was 151.3 MB in the beginning and 148.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 742.04 ms. Allocated memory is still 180.4 MB. Free memory was 148.7 MB in the beginning and 124.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 29671.18 ms. Allocated memory was 180.4 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 124.1 MB in the beginning and 2.1 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.7 GB. 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: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: 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: 55]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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 - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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 13 procedures, 531 locations, 94 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 29532.6ms, OverallIterations: 26, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 27621.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 165.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 435 SDtfs, 120 SDslu, 0 SDs, 0 SdLazy, 745 SolverSat, 207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 640.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 200.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=796occurred in iteration=0, InterpolantAutomatonStates: 96, 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: 78.3ms SsaConstructionTime, 329.4ms SatisfiabilityAnalysisTime, 1003.0ms InterpolantComputationTime, 2558 NumberOfCodeBlocks, 2558 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2532 ConstructedInterpolants, 0 QuantifiedInterpolants, 3238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 58 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:39:00,736 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...