/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/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:45:34,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:45:34,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:45:34,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-19 14:45:34,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:45:34,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:45:34,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:45:34,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:45:34,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:45:34,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:45:34,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:45:34,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:45:34,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:45:34,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:45:34,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:45:34,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:45:34,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-19 14:45:34,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:45:34,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:45:34,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:45:34,213 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 14:45:34,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:45:34,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:45:34,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:45:34,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:45:34,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:45:34,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:45:34,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:45:34,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:45:34,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:45:34,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:45:34,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:45:34,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:45:34,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:45:34,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:45:34,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:45:34,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:45:34,562 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:45:34,563 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:45:34,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2021-10-19 14:45:34,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f47c011e/0ccbeff947c84d45ad62c21e57e6f1e3/FLAG74488b425 [2021-10-19 14:45:34,972 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:45:34,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2021-10-19 14:45:35,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f47c011e/0ccbeff947c84d45ad62c21e57e6f1e3/FLAG74488b425 [2021-10-19 14:45:35,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f47c011e/0ccbeff947c84d45ad62c21e57e6f1e3 [2021-10-19 14:45:35,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:45:35,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:45:35,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:45:35,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:45:35,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:45:35,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aca4817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35, skipping insertion in model container [2021-10-19 14:45:35,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:45:35,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:45:35,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-10-19 14:45:35,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:45:35,654 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:45:35,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-10-19 14:45:35,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:45:35,729 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:45:35,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35 WrapperNode [2021-10-19 14:45:35,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:45:35,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:45:35,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:45:35,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:45:35,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:45:35,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:45:35,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:45:35,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:45:35,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:45:35,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:45:35,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:45:35,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:45:35,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (1/1) ... [2021-10-19 14:45:35,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:45:35,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:45:35,812 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 14:45:35,826 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 14:45:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:45:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:45:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:45:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:45:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:45:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:45:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:45:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:45:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:45:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:45:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:45:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:45:35,842 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 14:45:36,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:45:36,096 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-19 14:45:36,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:45:36 BoogieIcfgContainer [2021-10-19 14:45:36,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:45:36,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:45:36,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:45:36,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:45:36,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:45:35" (1/3) ... [2021-10-19 14:45:36,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e5b667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:45:36, skipping insertion in model container [2021-10-19 14:45:36,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:45:35" (2/3) ... [2021-10-19 14:45:36,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e5b667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:45:36, skipping insertion in model container [2021-10-19 14:45:36,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:45:36" (3/3) ... [2021-10-19 14:45:36,102 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-10-19 14:45:36,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:45:36,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-19 14:45:36,105 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:45:36,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,130 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,131 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,140 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,140 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,140 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,141 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,154 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,155 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:45:36,159 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-19 14:45:36,187 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:45:36,191 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 14:45:36,191 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-10-19 14:45:36,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 152 transitions, 320 flow [2021-10-19 14:45:36,253 INFO L129 PetriNetUnfolder]: 2/150 cut-off events. [2021-10-19 14:45:36,253 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:45:36,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 150 events. 2/150 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 145 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-10-19 14:45:36,255 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 152 transitions, 320 flow [2021-10-19 14:45:36,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 134 transitions, 280 flow [2021-10-19 14:45:36,265 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-10-19 14:45:36,265 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:45:36,265 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:36,268 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] [2021-10-19 14:45:36,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:36,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:36,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2052194394, now seen corresponding path program 1 times [2021-10-19 14:45:36,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:36,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300100396] [2021-10-19 14:45:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:36,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:36,486 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 14:45:36,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:36,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300100396] [2021-10-19 14:45:36,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300100396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:36,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:36,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:36,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806704995] [2021-10-19 14:45:36,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:36,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:36,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:36,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:36,512 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-10-19 14:45:36,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 134 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 14:45:36,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:36,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-10-19 14:45:36,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:36,651 INFO L129 PetriNetUnfolder]: 36/344 cut-off events. [2021-10-19 14:45:36,651 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-19 14:45:36,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 447 conditions, 344 events. 36/344 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1405 event pairs, 36 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 373. Up to 91 conditions per place. [2021-10-19 14:45:36,658 INFO L132 encePairwiseOnDemand]: 149/152 looper letters, 18 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2021-10-19 14:45:36,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 133 transitions, 318 flow [2021-10-19 14:45:36,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2021-10-19 14:45:36,673 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2021-10-19 14:45:36,673 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2021-10-19 14:45:36,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2021-10-19 14:45:36,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:36,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2021-10-19 14:45:36,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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 14:45:36,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:36,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:36,691 INFO L186 Difference]: Start difference. First operand has 141 places, 134 transitions, 280 flow. Second operand 3 states and 408 transitions. [2021-10-19 14:45:36,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 133 transitions, 318 flow [2021-10-19 14:45:36,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 133 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:45:36,699 INFO L242 Difference]: Finished difference. Result has 138 places, 133 transitions, 274 flow [2021-10-19 14:45:36,701 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=138, PETRI_TRANSITIONS=133} [2021-10-19 14:45:36,702 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -3 predicate places. [2021-10-19 14:45:36,702 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 133 transitions, 274 flow [2021-10-19 14:45:36,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 14:45:36,703 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:36,703 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] [2021-10-19 14:45:36,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:45:36,703 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash -743072577, now seen corresponding path program 1 times [2021-10-19 14:45:36,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:36,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647535089] [2021-10-19 14:45:36,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:36,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:36,784 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 14:45:36,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:36,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647535089] [2021-10-19 14:45:36,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647535089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:36,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:36,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:36,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292252903] [2021-10-19 14:45:36,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:36,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:36,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:36,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:36,790 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-10-19 14:45:36,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 14:45:36,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:36,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-10-19 14:45:36,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:36,848 INFO L129 PetriNetUnfolder]: 36/295 cut-off events. [2021-10-19 14:45:36,848 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:45:36,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 295 events. 36/295 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1022 event pairs, 36 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 355. Up to 90 conditions per place. [2021-10-19 14:45:36,851 INFO L132 encePairwiseOnDemand]: 149/152 looper letters, 17 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2021-10-19 14:45:36,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 132 transitions, 310 flow [2021-10-19 14:45:36,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2021-10-19 14:45:36,852 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8925438596491229 [2021-10-19 14:45:36,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 407 transitions. [2021-10-19 14:45:36,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 407 transitions. [2021-10-19 14:45:36,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:36,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 407 transitions. [2021-10-19 14:45:36,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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 14:45:36,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:36,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:36,856 INFO L186 Difference]: Start difference. First operand has 138 places, 133 transitions, 274 flow. Second operand 3 states and 407 transitions. [2021-10-19 14:45:36,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 132 transitions, 310 flow [2021-10-19 14:45:36,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 132 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:36,862 INFO L242 Difference]: Finished difference. Result has 137 places, 132 transitions, 272 flow [2021-10-19 14:45:36,863 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=137, PETRI_TRANSITIONS=132} [2021-10-19 14:45:36,863 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -4 predicate places. [2021-10-19 14:45:36,864 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 132 transitions, 272 flow [2021-10-19 14:45:36,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 14:45:36,864 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:36,864 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] [2021-10-19 14:45:36,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:45:36,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:36,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:36,872 INFO L82 PathProgramCache]: Analyzing trace with hash 666339141, now seen corresponding path program 1 times [2021-10-19 14:45:36,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:36,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601235275] [2021-10-19 14:45:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:36,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:36,936 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 14:45:36,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:36,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601235275] [2021-10-19 14:45:36,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601235275] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:36,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:36,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:36,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362083340] [2021-10-19 14:45:36,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:36,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:36,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:36,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:36,941 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 152 [2021-10-19 14:45:36,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 14:45:36,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:36,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 152 [2021-10-19 14:45:36,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:36,998 INFO L129 PetriNetUnfolder]: 37/367 cut-off events. [2021-10-19 14:45:36,999 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:45:37,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 367 events. 37/367 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1563 event pairs, 12 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 424. Up to 55 conditions per place. [2021-10-19 14:45:37,003 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 19 selfloop transitions, 7 changer transitions 0/141 dead transitions. [2021-10-19 14:45:37,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 141 transitions, 342 flow [2021-10-19 14:45:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2021-10-19 14:45:37,004 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9320175438596491 [2021-10-19 14:45:37,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2021-10-19 14:45:37,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2021-10-19 14:45:37,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2021-10-19 14:45:37,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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 14:45:37,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,007 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,007 INFO L186 Difference]: Start difference. First operand has 137 places, 132 transitions, 272 flow. Second operand 3 states and 425 transitions. [2021-10-19 14:45:37,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 141 transitions, 342 flow [2021-10-19 14:45:37,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 141 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:37,012 INFO L242 Difference]: Finished difference. Result has 138 places, 137 transitions, 322 flow [2021-10-19 14:45:37,012 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=138, PETRI_TRANSITIONS=137} [2021-10-19 14:45:37,012 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -3 predicate places. [2021-10-19 14:45:37,012 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 137 transitions, 322 flow [2021-10-19 14:45:37,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 14:45:37,013 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,013 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] [2021-10-19 14:45:37,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:45:37,014 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,015 INFO L82 PathProgramCache]: Analyzing trace with hash -94334279, now seen corresponding path program 1 times [2021-10-19 14:45:37,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785795] [2021-10-19 14:45:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,128 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 14:45:37,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785795] [2021-10-19 14:45:37,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:37,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033116106] [2021-10-19 14:45:37,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:37,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:37,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:37,130 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-10-19 14:45:37,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 137 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-10-19 14:45:37,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,208 INFO L129 PetriNetUnfolder]: 55/520 cut-off events. [2021-10-19 14:45:37,209 INFO L130 PetriNetUnfolder]: For 90/101 co-relation queries the response was YES. [2021-10-19 14:45:37,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 520 events. 55/520 cut-off events. For 90/101 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2827 event pairs, 20 based on Foata normal form. 2/460 useless extension candidates. Maximal degree in co-relation 634. Up to 106 conditions per place. [2021-10-19 14:45:37,212 INFO L132 encePairwiseOnDemand]: 146/152 looper letters, 28 selfloop transitions, 7 changer transitions 0/147 dead transitions. [2021-10-19 14:45:37,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 147 transitions, 430 flow [2021-10-19 14:45:37,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2021-10-19 14:45:37,214 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9100877192982456 [2021-10-19 14:45:37,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2021-10-19 14:45:37,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2021-10-19 14:45:37,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2021-10-19 14:45:37,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 14:45:37,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,216 INFO L186 Difference]: Start difference. First operand has 138 places, 137 transitions, 322 flow. Second operand 3 states and 415 transitions. [2021-10-19 14:45:37,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 147 transitions, 430 flow [2021-10-19 14:45:37,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 147 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:37,220 INFO L242 Difference]: Finished difference. Result has 140 places, 142 transitions, 364 flow [2021-10-19 14:45:37,220 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=140, PETRI_TRANSITIONS=142} [2021-10-19 14:45:37,220 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -1 predicate places. [2021-10-19 14:45:37,220 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 142 transitions, 364 flow [2021-10-19 14:45:37,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,221 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,221 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] [2021-10-19 14:45:37,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:45:37,222 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1578251774, now seen corresponding path program 1 times [2021-10-19 14:45:37,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888043840] [2021-10-19 14:45:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,373 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 14:45:37,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888043840] [2021-10-19 14:45:37,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888043840] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:45:37,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333295181] [2021-10-19 14:45:37,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:45:37,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:45:37,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:45:37,377 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 152 [2021-10-19 14:45:37,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 142 transitions, 364 flow. Second operand has 6 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 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 14:45:37,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 152 [2021-10-19 14:45:37,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,450 INFO L129 PetriNetUnfolder]: 19/341 cut-off events. [2021-10-19 14:45:37,451 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-10-19 14:45:37,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 341 events. 19/341 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1445 event pairs, 2 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 362. Up to 28 conditions per place. [2021-10-19 14:45:37,455 INFO L132 encePairwiseOnDemand]: 147/152 looper letters, 11 selfloop transitions, 4 changer transitions 0/141 dead transitions. [2021-10-19 14:45:37,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 141 transitions, 392 flow [2021-10-19 14:45:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:45:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:45:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 808 transitions. [2021-10-19 14:45:37,459 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8859649122807017 [2021-10-19 14:45:37,459 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 808 transitions. [2021-10-19 14:45:37,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 808 transitions. [2021-10-19 14:45:37,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 808 transitions. [2021-10-19 14:45:37,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 134.66666666666666) internal successors, (808), 6 states have internal predecessors, (808), 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 14:45:37,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 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 14:45:37,463 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 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 14:45:37,463 INFO L186 Difference]: Start difference. First operand has 140 places, 142 transitions, 364 flow. Second operand 6 states and 808 transitions. [2021-10-19 14:45:37,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 141 transitions, 392 flow [2021-10-19 14:45:37,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 141 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:37,468 INFO L242 Difference]: Finished difference. Result has 142 places, 141 transitions, 356 flow [2021-10-19 14:45:37,468 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=356, PETRI_PLACES=142, PETRI_TRANSITIONS=141} [2021-10-19 14:45:37,468 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 1 predicate places. [2021-10-19 14:45:37,468 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 141 transitions, 356 flow [2021-10-19 14:45:37,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 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 14:45:37,469 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,470 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 14:45:37,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:45:37,470 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,470 INFO L82 PathProgramCache]: Analyzing trace with hash -389735533, now seen corresponding path program 1 times [2021-10-19 14:45:37,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226149743] [2021-10-19 14:45:37,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,521 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 14:45:37,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226149743] [2021-10-19 14:45:37,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226149743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:37,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300239353] [2021-10-19 14:45:37,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:37,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:37,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:37,524 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-10-19 14:45:37,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 141 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-10-19 14:45:37,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,589 INFO L129 PetriNetUnfolder]: 61/529 cut-off events. [2021-10-19 14:45:37,589 INFO L130 PetriNetUnfolder]: For 83/85 co-relation queries the response was YES. [2021-10-19 14:45:37,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 529 events. 61/529 cut-off events. For 83/85 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2724 event pairs, 21 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 751. Up to 112 conditions per place. [2021-10-19 14:45:37,593 INFO L132 encePairwiseOnDemand]: 146/152 looper letters, 31 selfloop transitions, 9 changer transitions 0/152 dead transitions. [2021-10-19 14:45:37,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 152 transitions, 480 flow [2021-10-19 14:45:37,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2021-10-19 14:45:37,594 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9100877192982456 [2021-10-19 14:45:37,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2021-10-19 14:45:37,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2021-10-19 14:45:37,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2021-10-19 14:45:37,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 14:45:37,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,596 INFO L186 Difference]: Start difference. First operand has 142 places, 141 transitions, 356 flow. Second operand 3 states and 415 transitions. [2021-10-19 14:45:37,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 152 transitions, 480 flow [2021-10-19 14:45:37,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 152 transitions, 473 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:45:37,601 INFO L242 Difference]: Finished difference. Result has 142 places, 146 transitions, 417 flow [2021-10-19 14:45:37,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=142, PETRI_TRANSITIONS=146} [2021-10-19 14:45:37,601 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 1 predicate places. [2021-10-19 14:45:37,601 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 146 transitions, 417 flow [2021-10-19 14:45:37,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,603 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,603 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] [2021-10-19 14:45:37,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:45:37,603 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,604 INFO L82 PathProgramCache]: Analyzing trace with hash 2024648844, now seen corresponding path program 1 times [2021-10-19 14:45:37,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212238706] [2021-10-19 14:45:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,631 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 14:45:37,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212238706] [2021-10-19 14:45:37,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212238706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:37,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146611439] [2021-10-19 14:45:37,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:37,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:37,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:37,636 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 152 [2021-10-19 14:45:37,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 146 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 14:45:37,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 152 [2021-10-19 14:45:37,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,729 INFO L129 PetriNetUnfolder]: 66/577 cut-off events. [2021-10-19 14:45:37,729 INFO L130 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2021-10-19 14:45:37,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 577 events. 66/577 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3039 event pairs, 17 based on Foata normal form. 1/525 useless extension candidates. Maximal degree in co-relation 851. Up to 82 conditions per place. [2021-10-19 14:45:37,733 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 18 selfloop transitions, 6 changer transitions 7/155 dead transitions. [2021-10-19 14:45:37,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 155 transitions, 485 flow [2021-10-19 14:45:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2021-10-19 14:45:37,748 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9298245614035088 [2021-10-19 14:45:37,748 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 424 transitions. [2021-10-19 14:45:37,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 424 transitions. [2021-10-19 14:45:37,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 424 transitions. [2021-10-19 14:45:37,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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 14:45:37,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,750 INFO L186 Difference]: Start difference. First operand has 142 places, 146 transitions, 417 flow. Second operand 3 states and 424 transitions. [2021-10-19 14:45:37,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 155 transitions, 485 flow [2021-10-19 14:45:37,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 155 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:37,753 INFO L242 Difference]: Finished difference. Result has 143 places, 144 transitions, 432 flow [2021-10-19 14:45:37,754 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=143, PETRI_TRANSITIONS=144} [2021-10-19 14:45:37,754 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, 2 predicate places. [2021-10-19 14:45:37,754 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 144 transitions, 432 flow [2021-10-19 14:45:37,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 14:45:37,754 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,754 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:45:37,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:45:37,755 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1415220273, now seen corresponding path program 1 times [2021-10-19 14:45:37,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419166198] [2021-10-19 14:45:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,788 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 14:45:37,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419166198] [2021-10-19 14:45:37,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419166198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:45:37,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716521325] [2021-10-19 14:45:37,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:37,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:37,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:37,791 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 152 [2021-10-19 14:45:37,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 144 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 14:45:37,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 152 [2021-10-19 14:45:37,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,821 INFO L129 PetriNetUnfolder]: 4/223 cut-off events. [2021-10-19 14:45:37,821 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-10-19 14:45:37,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 223 events. 4/223 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 517 event pairs, 4 based on Foata normal form. 8/223 useless extension candidates. Maximal degree in co-relation 271. Up to 21 conditions per place. [2021-10-19 14:45:37,822 INFO L132 encePairwiseOnDemand]: 144/152 looper letters, 8 selfloop transitions, 8 changer transitions 0/116 dead transitions. [2021-10-19 14:45:37,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 116 transitions, 320 flow [2021-10-19 14:45:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2021-10-19 14:45:37,823 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9254385964912281 [2021-10-19 14:45:37,823 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 422 transitions. [2021-10-19 14:45:37,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 422 transitions. [2021-10-19 14:45:37,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 422 transitions. [2021-10-19 14:45:37,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 14:45:37,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,825 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,825 INFO L186 Difference]: Start difference. First operand has 143 places, 144 transitions, 432 flow. Second operand 3 states and 422 transitions. [2021-10-19 14:45:37,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 116 transitions, 320 flow [2021-10-19 14:45:37,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 116 transitions, 268 flow, removed 10 selfloop flow, removed 10 redundant places. [2021-10-19 14:45:37,828 INFO L242 Difference]: Finished difference. Result has 122 places, 116 transitions, 252 flow [2021-10-19 14:45:37,828 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=122, PETRI_TRANSITIONS=116} [2021-10-19 14:45:37,829 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -19 predicate places. [2021-10-19 14:45:37,829 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 116 transitions, 252 flow [2021-10-19 14:45:37,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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 14:45:37,829 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,829 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] [2021-10-19 14:45:37,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:45:37,829 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1137703520, now seen corresponding path program 1 times [2021-10-19 14:45:37,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479331292] [2021-10-19 14:45:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,850 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 14:45:37,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479331292] [2021-10-19 14:45:37,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479331292] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:37,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202599005] [2021-10-19 14:45:37,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:37,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:37,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:37,852 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-10-19 14:45:37,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 116 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-10-19 14:45:37,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,877 INFO L129 PetriNetUnfolder]: 4/220 cut-off events. [2021-10-19 14:45:37,877 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:45:37,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 220 events. 4/220 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 503 event pairs, 4 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 223. Up to 31 conditions per place. [2021-10-19 14:45:37,878 INFO L132 encePairwiseOnDemand]: 149/152 looper letters, 12 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2021-10-19 14:45:37,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 278 flow [2021-10-19 14:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2021-10-19 14:45:37,879 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.881578947368421 [2021-10-19 14:45:37,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 402 transitions. [2021-10-19 14:45:37,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 402 transitions. [2021-10-19 14:45:37,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 402 transitions. [2021-10-19 14:45:37,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 14:45:37,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,881 INFO L186 Difference]: Start difference. First operand has 122 places, 116 transitions, 252 flow. Second operand 3 states and 402 transitions. [2021-10-19 14:45:37,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 278 flow [2021-10-19 14:45:37,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 115 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:45:37,883 INFO L242 Difference]: Finished difference. Result has 122 places, 115 transitions, 246 flow [2021-10-19 14:45:37,883 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=122, PETRI_TRANSITIONS=115} [2021-10-19 14:45:37,883 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -19 predicate places. [2021-10-19 14:45:37,883 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 115 transitions, 246 flow [2021-10-19 14:45:37,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,883 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,883 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 14:45:37,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:45:37,884 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1668876550, now seen corresponding path program 1 times [2021-10-19 14:45:37,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405713420] [2021-10-19 14:45:37,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:37,929 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 14:45:37,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:37,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405713420] [2021-10-19 14:45:37,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405713420] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:37,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:37,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:45:37,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781036276] [2021-10-19 14:45:37,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:45:37,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:37,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:45:37,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:45:37,933 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2021-10-19 14:45:37,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 115 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:37,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2021-10-19 14:45:37,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:37,955 INFO L129 PetriNetUnfolder]: 8/242 cut-off events. [2021-10-19 14:45:37,956 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:45:37,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 242 events. 8/242 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 640 event pairs, 8 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 212. Up to 36 conditions per place. [2021-10-19 14:45:37,956 INFO L132 encePairwiseOnDemand]: 149/152 looper letters, 11 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2021-10-19 14:45:37,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 114 transitions, 270 flow [2021-10-19 14:45:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:45:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:45:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2021-10-19 14:45:37,957 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8793859649122807 [2021-10-19 14:45:37,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 401 transitions. [2021-10-19 14:45:37,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 401 transitions. [2021-10-19 14:45:37,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:37,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 401 transitions. [2021-10-19 14:45:37,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 14:45:37,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 14:45:37,959 INFO L186 Difference]: Start difference. First operand has 122 places, 115 transitions, 246 flow. Second operand 3 states and 401 transitions. [2021-10-19 14:45:37,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 114 transitions, 270 flow [2021-10-19 14:45:37,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 114 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:37,961 INFO L242 Difference]: Finished difference. Result has 121 places, 114 transitions, 244 flow [2021-10-19 14:45:37,961 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=121, PETRI_TRANSITIONS=114} [2021-10-19 14:45:37,962 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -20 predicate places. [2021-10-19 14:45:37,962 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 114 transitions, 244 flow [2021-10-19 14:45:37,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 14:45:37,962 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:45:37,962 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] [2021-10-19 14:45:37,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:45:37,963 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-19 14:45:37,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:45:37,964 INFO L82 PathProgramCache]: Analyzing trace with hash -317242488, now seen corresponding path program 1 times [2021-10-19 14:45:37,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:45:37,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436379102] [2021-10-19 14:45:37,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:45:37,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:45:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:45:38,057 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 14:45:38,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:45:38,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436379102] [2021-10-19 14:45:38,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436379102] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:45:38,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:45:38,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:45:38,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893129450] [2021-10-19 14:45:38,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:45:38,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:45:38,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:45:38,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:45:38,059 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 152 [2021-10-19 14:45:38,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 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 14:45:38,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:45:38,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 152 [2021-10-19 14:45:38,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:45:38,090 INFO L129 PetriNetUnfolder]: 4/215 cut-off events. [2021-10-19 14:45:38,090 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:45:38,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 215 events. 4/215 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 472 event pairs, 4 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 203. Up to 13 conditions per place. [2021-10-19 14:45:38,091 INFO L132 encePairwiseOnDemand]: 147/152 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2021-10-19 14:45:38,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 113 transitions, 270 flow [2021-10-19 14:45:38,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:45:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:45:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 807 transitions. [2021-10-19 14:45:38,092 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8848684210526315 [2021-10-19 14:45:38,092 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 807 transitions. [2021-10-19 14:45:38,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 807 transitions. [2021-10-19 14:45:38,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:45:38,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 807 transitions. [2021-10-19 14:45:38,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 134.5) internal successors, (807), 6 states have internal predecessors, (807), 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 14:45:38,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 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 14:45:38,095 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 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 14:45:38,095 INFO L186 Difference]: Start difference. First operand has 121 places, 114 transitions, 244 flow. Second operand 6 states and 807 transitions. [2021-10-19 14:45:38,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 113 transitions, 270 flow [2021-10-19 14:45:38,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 113 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:45:38,096 INFO L242 Difference]: Finished difference. Result has 123 places, 0 transitions, 0 flow [2021-10-19 14:45:38,096 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=123, PETRI_TRANSITIONS=0} [2021-10-19 14:45:38,097 INFO L334 CegarLoopForPetriNet]: 141 programPoint places, -18 predicate places. [2021-10-19 14:45:38,097 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 0 transitions, 0 flow [2021-10-19 14:45:38,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 134.33333333333334) internal successors, (806), 6 states have internal predecessors, (806), 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 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:45:38,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:45:38,105 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:45:38,105 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:45:38,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:45:38 BasicIcfg [2021-10-19 14:45:38,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:45:38,107 INFO L168 Benchmark]: Toolchain (without parser) took 2748.45 ms. Allocated memory was 233.8 MB in the beginning and 312.5 MB in the end (delta: 78.6 MB). Free memory was 182.8 MB in the beginning and 240.7 MB in the end (delta: -57.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:45:38,107 INFO L168 Benchmark]: CDTParser took 1.01 ms. Allocated memory is still 233.8 MB. Free memory is still 200.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:45:38,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.92 ms. Allocated memory is still 233.8 MB. Free memory was 182.6 MB in the beginning and 201.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-10-19 14:45:38,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 233.8 MB. Free memory was 201.5 MB in the beginning and 199.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:45:38,108 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 ms. Allocated memory is still 233.8 MB. Free memory was 199.4 MB in the beginning and 197.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:45:38,108 INFO L168 Benchmark]: RCFGBuilder took 309.04 ms. Allocated memory is still 233.8 MB. Free memory was 197.8 MB in the beginning and 182.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:45:38,108 INFO L168 Benchmark]: TraceAbstraction took 2008.11 ms. Allocated memory was 233.8 MB in the beginning and 312.5 MB in the end (delta: 78.6 MB). Free memory was 181.6 MB in the beginning and 240.7 MB in the end (delta: -59.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:45:38,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 ms. Allocated memory is still 233.8 MB. Free memory is still 200.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 368.92 ms. Allocated memory is still 233.8 MB. Free memory was 182.6 MB in the beginning and 201.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 233.8 MB. Free memory was 201.5 MB in the beginning and 199.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.65 ms. Allocated memory is still 233.8 MB. Free memory was 199.4 MB in the beginning and 197.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 309.04 ms. Allocated memory is still 233.8 MB. Free memory was 197.8 MB in the beginning and 182.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2008.11 ms. Allocated memory was 233.8 MB in the beginning and 312.5 MB in the end (delta: 78.6 MB). Free memory was 181.6 MB in the beginning and 240.7 MB in the end (delta: -59.1 MB). Peak memory consumption was 21.1 MB. 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: 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 5 procedures, 213 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1918.3ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 864.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 68.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 156 SDtfs, 39 SDslu, 0 SDs, 0 SdLazy, 202 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 145.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 80.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=7, InterpolantAutomatonStates: 39, 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: 47.4ms SsaConstructionTime, 152.1ms SatisfiabilityAnalysisTime, 539.5ms InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 601 ConstructedInterpolants, 0 QuantifiedInterpolants, 857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:45:38,150 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...