/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/goblint-regression/09-regions_28-list2alloc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:07:18,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:07:18,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:07:18,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:07:18,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:07:18,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:07:18,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:07:18,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:07:18,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:07:18,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:07:18,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:07:18,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:07:18,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:07:18,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:07:18,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:07:18,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:07:18,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:07:18,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:07:18,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:07:18,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:07:18,183 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 [2021-10-16 23:07:18,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:07:18,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:07:18,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:07:18,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:07:18,215 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:07:18,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:07:18,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:07:18,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:07:18,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:07:18,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:07:18,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:07:18,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:07:18,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:07:18,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:07:18,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:07:18,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:18,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:07:18,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:07:18,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:07:18,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:07:18,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:07:18,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:07:18,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:07:18,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:07:18,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:07:18,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:07:18,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:07:18,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:07:18,459 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:07:18,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_28-list2alloc.i [2021-10-16 23:07:18,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f12cf30/6d190939ebff4ece8d39d561e568b6f5/FLAG65c6bcce7 [2021-10-16 23:07:19,046 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:07:19,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_28-list2alloc.i [2021-10-16 23:07:19,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f12cf30/6d190939ebff4ece8d39d561e568b6f5/FLAG65c6bcce7 [2021-10-16 23:07:19,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f12cf30/6d190939ebff4ece8d39d561e568b6f5 [2021-10-16 23:07:19,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:07:19,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:07:19,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:19,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:07:19,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:07:19,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:19" (1/1) ... [2021-10-16 23:07:19,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ccac06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:19, skipping insertion in model container [2021-10-16 23:07:19,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:19" (1/1) ... [2021-10-16 23:07:19,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:07:19,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:07:20,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:20,031 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:07:20,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:20,182 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:07:20,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20 WrapperNode [2021-10-16 23:07:20,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:20,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:20,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:07:20,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:07:20,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:20,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:07:20,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:07:20,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:07:20,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:07:20,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:07:20,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:07:20,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:07:20,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (1/1) ... [2021-10-16 23:07:20,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:07:20,357 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) [2021-10-16 23:07:20,361 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 [2021-10-16 23:07:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:07:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:07:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:07:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:07:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:07:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 23:07:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 23:07:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:07:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:07:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:07:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:07:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:07:20,397 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:07:20,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:07:20,958 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 23:07:20,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:20 BoogieIcfgContainer [2021-10-16 23:07:20,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:07:20,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:07:20,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:07:20,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:07:20,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:07:19" (1/3) ... [2021-10-16 23:07:20,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7e2f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:20, skipping insertion in model container [2021-10-16 23:07:20,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:20" (2/3) ... [2021-10-16 23:07:20,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7e2f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:20, skipping insertion in model container [2021-10-16 23:07:20,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:20" (3/3) ... [2021-10-16 23:07:20,970 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_28-list2alloc.i [2021-10-16 23:07:20,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:07:20,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-10-16 23:07:20,974 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:07:21,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,020 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,020 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:21,057 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 23:07:21,105 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:07:21,109 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 [2021-10-16 23:07:21,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-10-16 23:07:21,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 170 transitions, 345 flow [2021-10-16 23:07:21,206 INFO L129 PetriNetUnfolder]: 0/169 cut-off events. [2021-10-16 23:07:21,206 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:21,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 169 events. 0/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-16 23:07:21,208 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 170 transitions, 345 flow [2021-10-16 23:07:21,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 169 transitions, 341 flow [2021-10-16 23:07:21,219 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-10-16 23:07:21,219 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:21,219 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:21,220 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:21,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:21,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:21,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1145755744, now seen corresponding path program 1 times [2021-10-16 23:07:21,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:21,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497690973] [2021-10-16 23:07:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:21,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:21,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:21,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497690973] [2021-10-16 23:07:21,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497690973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:21,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:21,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:21,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67807300] [2021-10-16 23:07:21,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:21,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:21,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:21,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:21,645 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 170 [2021-10-16 23:07:21,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 169 transitions, 341 flow. Second operand has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:21,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:21,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 170 [2021-10-16 23:07:21,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:21,992 INFO L129 PetriNetUnfolder]: 120/590 cut-off events. [2021-10-16 23:07:21,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:21,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 897 conditions, 590 events. 120/590 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2395 event pairs, 120 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 766. Up to 293 conditions per place. [2021-10-16 23:07:22,002 INFO L132 encePairwiseOnDemand]: 158/170 looper letters, 52 selfloop transitions, 10 changer transitions 0/167 dead transitions. [2021-10-16 23:07:22,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 167 transitions, 461 flow [2021-10-16 23:07:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 700 transitions. [2021-10-16 23:07:22,024 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6862745098039216 [2021-10-16 23:07:22,025 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 700 transitions. [2021-10-16 23:07:22,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 700 transitions. [2021-10-16 23:07:22,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 700 transitions. [2021-10-16 23:07:22,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 116.66666666666667) internal successors, (700), 6 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,041 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,065 INFO L186 Difference]: Start difference. First operand has 173 places, 169 transitions, 341 flow. Second operand 6 states and 700 transitions. [2021-10-16 23:07:22,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 167 transitions, 461 flow [2021-10-16 23:07:22,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 167 transitions, 460 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:07:22,074 INFO L242 Difference]: Finished difference. Result has 175 places, 167 transitions, 356 flow [2021-10-16 23:07:22,075 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=356, PETRI_PLACES=175, PETRI_TRANSITIONS=167} [2021-10-16 23:07:22,076 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 2 predicate places. [2021-10-16 23:07:22,076 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 167 transitions, 356 flow [2021-10-16 23:07:22,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 107.5) internal successors, (645), 6 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,077 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,077 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] [2021-10-16 23:07:22,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:07:22,077 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:22,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1623151516, now seen corresponding path program 1 times [2021-10-16 23:07:22,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504841249] [2021-10-16 23:07:22,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:22,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:22,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504841249] [2021-10-16 23:07:22,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504841249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:22,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:22,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:22,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820389262] [2021-10-16 23:07:22,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:22,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:22,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:22,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:22,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 170 [2021-10-16 23:07:22,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 167 transitions, 356 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:22,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 170 [2021-10-16 23:07:22,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:22,389 INFO L129 PetriNetUnfolder]: 120/588 cut-off events. [2021-10-16 23:07:22,390 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-16 23:07:22,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 903 conditions, 588 events. 120/588 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2401 event pairs, 120 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 798. Up to 291 conditions per place. [2021-10-16 23:07:22,393 INFO L132 encePairwiseOnDemand]: 158/170 looper letters, 50 selfloop transitions, 10 changer transitions 0/165 dead transitions. [2021-10-16 23:07:22,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 165 transitions, 472 flow [2021-10-16 23:07:22,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 698 transitions. [2021-10-16 23:07:22,395 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6843137254901961 [2021-10-16 23:07:22,395 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 698 transitions. [2021-10-16 23:07:22,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 698 transitions. [2021-10-16 23:07:22,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 698 transitions. [2021-10-16 23:07:22,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 116.33333333333333) internal successors, (698), 6 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,400 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,400 INFO L186 Difference]: Start difference. First operand has 175 places, 167 transitions, 356 flow. Second operand 6 states and 698 transitions. [2021-10-16 23:07:22,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 165 transitions, 472 flow [2021-10-16 23:07:22,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 165 transitions, 452 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-16 23:07:22,405 INFO L242 Difference]: Finished difference. Result has 173 places, 165 transitions, 352 flow [2021-10-16 23:07:22,405 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=352, PETRI_PLACES=173, PETRI_TRANSITIONS=165} [2021-10-16 23:07:22,406 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 0 predicate places. [2021-10-16 23:07:22,406 INFO L470 AbstractCegarLoop]: Abstraction has has 173 places, 165 transitions, 352 flow [2021-10-16 23:07:22,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,407 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,407 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] [2021-10-16 23:07:22,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:07:22,407 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:22,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1742801786, now seen corresponding path program 1 times [2021-10-16 23:07:22,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572497651] [2021-10-16 23:07:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:22,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:22,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572497651] [2021-10-16 23:07:22,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572497651] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:22,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:22,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:07:22,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846616611] [2021-10-16 23:07:22,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:22,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:22,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:22,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:22,481 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 170 [2021-10-16 23:07:22,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 165 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:22,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 170 [2021-10-16 23:07:22,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:22,510 INFO L129 PetriNetUnfolder]: 1/214 cut-off events. [2021-10-16 23:07:22,510 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:22,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 214 events. 1/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 184 event pairs, 1 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 146. Up to 8 conditions per place. [2021-10-16 23:07:22,511 INFO L132 encePairwiseOnDemand]: 167/170 looper letters, 5 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2021-10-16 23:07:22,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 164 transitions, 364 flow [2021-10-16 23:07:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2021-10-16 23:07:22,513 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9686274509803922 [2021-10-16 23:07:22,513 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 494 transitions. [2021-10-16 23:07:22,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 494 transitions. [2021-10-16 23:07:22,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 494 transitions. [2021-10-16 23:07:22,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,516 INFO L186 Difference]: Start difference. First operand has 173 places, 165 transitions, 352 flow. Second operand 3 states and 494 transitions. [2021-10-16 23:07:22,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 164 transitions, 364 flow [2021-10-16 23:07:22,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 164 transitions, 344 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-16 23:07:22,521 INFO L242 Difference]: Finished difference. Result has 169 places, 164 transitions, 334 flow [2021-10-16 23:07:22,521 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2021-10-16 23:07:22,521 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, -4 predicate places. [2021-10-16 23:07:22,521 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 334 flow [2021-10-16 23:07:22,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,522 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,522 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:22,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:07:22,522 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1951102947, now seen corresponding path program 1 times [2021-10-16 23:07:22,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954459889] [2021-10-16 23:07:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:22,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:22,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:22,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954459889] [2021-10-16 23:07:22,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954459889] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:22,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:22,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:07:22,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611530038] [2021-10-16 23:07:22,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:22,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:22,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:22,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:22,594 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 170 [2021-10-16 23:07:22,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:22,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 170 [2021-10-16 23:07:22,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:22,617 INFO L129 PetriNetUnfolder]: 0/163 cut-off events. [2021-10-16 23:07:22,617 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:22,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 163 events. 0/163 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-10-16 23:07:22,618 INFO L132 encePairwiseOnDemand]: 167/170 looper letters, 4 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2021-10-16 23:07:22,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 163 transitions, 344 flow [2021-10-16 23:07:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2021-10-16 23:07:22,619 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9725490196078431 [2021-10-16 23:07:22,619 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 496 transitions. [2021-10-16 23:07:22,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 496 transitions. [2021-10-16 23:07:22,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 496 transitions. [2021-10-16 23:07:22,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,623 INFO L186 Difference]: Start difference. First operand has 169 places, 164 transitions, 334 flow. Second operand 3 states and 496 transitions. [2021-10-16 23:07:22,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 163 transitions, 344 flow [2021-10-16 23:07:22,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 163 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:07:22,626 INFO L242 Difference]: Finished difference. Result has 168 places, 163 transitions, 332 flow [2021-10-16 23:07:22,626 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2021-10-16 23:07:22,626 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, -5 predicate places. [2021-10-16 23:07:22,626 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 332 flow [2021-10-16 23:07:22,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,627 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,627 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:22,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:07:22,627 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:22,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,627 INFO L82 PathProgramCache]: Analyzing trace with hash 463308893, now seen corresponding path program 1 times [2021-10-16 23:07:22,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790544423] [2021-10-16 23:07:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:22,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:22,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790544423] [2021-10-16 23:07:22,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790544423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:22,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:22,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:22,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159995826] [2021-10-16 23:07:22,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:22,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:22,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:22,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:22,797 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 170 [2021-10-16 23:07:22,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 332 flow. Second operand has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:22,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 170 [2021-10-16 23:07:22,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:23,130 INFO L129 PetriNetUnfolder]: 314/1089 cut-off events. [2021-10-16 23:07:23,130 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:23,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1781 conditions, 1089 events. 314/1089 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5474 event pairs, 104 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 1673. Up to 541 conditions per place. [2021-10-16 23:07:23,135 INFO L132 encePairwiseOnDemand]: 147/170 looper letters, 63 selfloop transitions, 70 changer transitions 4/248 dead transitions. [2021-10-16 23:07:23,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 248 transitions, 776 flow [2021-10-16 23:07:23,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 822 transitions. [2021-10-16 23:07:23,138 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8058823529411765 [2021-10-16 23:07:23,138 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 822 transitions. [2021-10-16 23:07:23,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 822 transitions. [2021-10-16 23:07:23,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:23,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 822 transitions. [2021-10-16 23:07:23,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,143 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,143 INFO L186 Difference]: Start difference. First operand has 168 places, 163 transitions, 332 flow. Second operand 6 states and 822 transitions. [2021-10-16 23:07:23,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 248 transitions, 776 flow [2021-10-16 23:07:23,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 248 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:07:23,148 INFO L242 Difference]: Finished difference. Result has 176 places, 232 transitions, 790 flow [2021-10-16 23:07:23,148 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=790, PETRI_PLACES=176, PETRI_TRANSITIONS=232} [2021-10-16 23:07:23,148 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 3 predicate places. [2021-10-16 23:07:23,148 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 232 transitions, 790 flow [2021-10-16 23:07:23,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,149 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:23,149 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:23,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:07:23,149 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:23,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1674309097, now seen corresponding path program 1 times [2021-10-16 23:07:23,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:23,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37017568] [2021-10-16 23:07:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:23,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:23,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:23,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37017568] [2021-10-16 23:07:23,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37017568] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:23,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:23,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:23,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254718226] [2021-10-16 23:07:23,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:23,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:23,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 170 [2021-10-16 23:07:23,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 232 transitions, 790 flow. Second operand has 6 states, 6 states have (on average 117.83333333333333) internal successors, (707), 6 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:23,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 170 [2021-10-16 23:07:23,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:23,566 INFO L129 PetriNetUnfolder]: 317/1083 cut-off events. [2021-10-16 23:07:23,566 INFO L130 PetriNetUnfolder]: For 280/292 co-relation queries the response was YES. [2021-10-16 23:07:23,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2552 conditions, 1083 events. 317/1083 cut-off events. For 280/292 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5520 event pairs, 68 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 2434. Up to 591 conditions per place. [2021-10-16 23:07:23,574 INFO L132 encePairwiseOnDemand]: 159/170 looper letters, 130 selfloop transitions, 32 changer transitions 0/272 dead transitions. [2021-10-16 23:07:23,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 272 transitions, 1290 flow [2021-10-16 23:07:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 760 transitions. [2021-10-16 23:07:23,576 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7450980392156863 [2021-10-16 23:07:23,576 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 760 transitions. [2021-10-16 23:07:23,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 760 transitions. [2021-10-16 23:07:23,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:23,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 760 transitions. [2021-10-16 23:07:23,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.66666666666667) internal successors, (760), 6 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,581 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 170.0) internal successors, (1190), 7 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,581 INFO L186 Difference]: Start difference. First operand has 176 places, 232 transitions, 790 flow. Second operand 6 states and 760 transitions. [2021-10-16 23:07:23,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 272 transitions, 1290 flow [2021-10-16 23:07:23,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 272 transitions, 1290 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-16 23:07:23,605 INFO L242 Difference]: Finished difference. Result has 186 places, 259 transitions, 1074 flow [2021-10-16 23:07:23,606 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=186, PETRI_TRANSITIONS=259} [2021-10-16 23:07:23,606 INFO L334 CegarLoopForPetriNet]: 173 programPoint places, 13 predicate places. [2021-10-16 23:07:23,606 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 259 transitions, 1074 flow [2021-10-16 23:07:23,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.83333333333333) internal successors, (707), 6 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,607 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:23,607 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:23,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:07:23,607 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-10-16 23:07:23,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:23,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1654340215, now seen corresponding path program 1 times [2021-10-16 23:07:23,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:23,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068407642] [2021-10-16 23:07:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:23,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:07:23,668 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:07:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:07:23,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:07:23,758 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:07:23,759 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:07:23,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:23,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:07:23,774 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:07:23,774 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:07:23,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:07:23 BasicIcfg [2021-10-16 23:07:23,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:07:23,864 INFO L168 Benchmark]: Toolchain (without parser) took 4353.10 ms. Allocated memory was 191.9 MB in the beginning and 234.9 MB in the end (delta: 43.0 MB). Free memory was 137.5 MB in the beginning and 166.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,865 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 191.9 MB. Free memory was 156.5 MB in the beginning and 156.4 MB in the end (delta: 136.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:07:23,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.15 ms. Allocated memory was 191.9 MB in the beginning and 234.9 MB in the end (delta: 43.0 MB). Free memory was 137.3 MB in the beginning and 183.5 MB in the end (delta: -46.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.91 ms. Allocated memory is still 234.9 MB. Free memory was 183.5 MB in the beginning and 180.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,866 INFO L168 Benchmark]: Boogie Preprocessor took 57.09 ms. Allocated memory is still 234.9 MB. Free memory was 180.3 MB in the beginning and 178.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,866 INFO L168 Benchmark]: RCFGBuilder took 644.05 ms. Allocated memory is still 234.9 MB. Free memory was 178.2 MB in the beginning and 159.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:23,867 INFO L168 Benchmark]: TraceAbstraction took 2902.53 ms. Allocated memory is still 234.9 MB. Free memory was 159.4 MB in the beginning and 166.7 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:07:23,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 191.9 MB. Free memory was 156.5 MB in the beginning and 156.4 MB in the end (delta: 136.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 670.15 ms. Allocated memory was 191.9 MB in the beginning and 234.9 MB in the end (delta: 43.0 MB). Free memory was 137.3 MB in the beginning and 183.5 MB in the end (delta: -46.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 72.91 ms. Allocated memory is still 234.9 MB. Free memory was 183.5 MB in the beginning and 180.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.09 ms. Allocated memory is still 234.9 MB. Free memory was 180.3 MB in the beginning and 178.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 644.05 ms. Allocated memory is still 234.9 MB. Free memory was 178.2 MB in the beginning and 159.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2902.53 ms. Allocated memory is still 234.9 MB. Free memory was 159.4 MB in the beginning and 166.7 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1246]: the program contains a data race the program contains a data race We found a FailurePath: [L1216-L1219] 0 struct s { int datum; struct s *next; } *A, *B; VAL [A={0:0}, B={0:0}] [L1226] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={10:0}, B={0:0}] [L1227] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1238] 0 pthread_t t1; VAL [A={0:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1221] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1222] 0 p->datum = x VAL [A={0:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1223] 0 p->next = ((void *)0) VAL [A={0:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1224] 0 return p; VAL [A={0:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1239] 0 A = new(3) VAL [A={-2:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1221] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={-2:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1222] 0 p->datum = x VAL [A={-2:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1223] 0 p->next = ((void *)0) VAL [A={-2:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1224] 0 return p; VAL [A={-2:0}, A_mutex={10:0}, B={0:0}, B_mutex={11:0}] [L1240] 0 B = new(5) VAL [A={-2:0}, A_mutex={10:0}, B={-3:0}, B_mutex={11:0}] [L1241] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-2:0}, A_mutex={10:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1242] 0 int *data; VAL [A={-2:0}, A_mutex={10:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1244] 0 data = &A->datum VAL [A={-2:0}, A_mutex={10:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1246] 0 *data = 42 VAL [A={-2:0}, A_mutex={10:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1246] 0 *data = 42 VAL [A={-2:0}, A->datum=54, A->datum=42, A_mutex={10:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1230] 1 A->datum++ VAL [A={-2:0}, A->datum=54, A->datum=42, A->datum++=53, A_mutex={10:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1246] 0 *data = 42 VAL [A={-2:0}, A->datum=54, A->datum=42, A->datum++=53, A_mutex={10:0}, arg={0:0}, arg={0:0}, B={-3:0}, B_mutex={11:0}] - UnprovableResult [Line: 1222]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1223]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1222]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1223]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1233]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 226 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2667.7ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1402.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 103.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 215 SDtfs, 41 SDslu, 0 SDs, 0 SdLazy, 642 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 483.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 148.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1074occurred in iteration=6, InterpolantAutomatonStates: 30, 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: 28.9ms SsaConstructionTime, 192.9ms SatisfiabilityAnalysisTime, 654.6ms InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 407 ConstructedInterpolants, 0 QuantifiedInterpolants, 863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-16 23:07:23,902 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...