/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-FA-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 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:24:42,344 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:24:42,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-19 14:24:42,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:24:42,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:24:42,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:24:42,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:24:42,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:24:42,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:24:42,462 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:24:42,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:24:42,462 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:24:42,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:24:42,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:24:42,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:42,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:24:42,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:24:42,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:24:42,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:24:42,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:24:42,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:24:42,643 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:24:42,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_28-list2alloc.i [2021-10-19 14:24:42,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432da95d7/c413a0122c8a49ddb389a8fc0752e1e8/FLAG4ba7ecf8c [2021-10-19 14:24:43,150 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:24:43,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_28-list2alloc.i [2021-10-19 14:24:43,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432da95d7/c413a0122c8a49ddb389a8fc0752e1e8/FLAG4ba7ecf8c [2021-10-19 14:24:43,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432da95d7/c413a0122c8a49ddb389a8fc0752e1e8 [2021-10-19 14:24:43,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:24:43,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:24:43,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:43,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:24:43,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:24:43,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d05ad9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43, skipping insertion in model container [2021-10-19 14:24:43,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:24:43,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:24:43,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:43,558 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:24:43,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:43,664 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:24:43,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43 WrapperNode [2021-10-19 14:24:43,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:43,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:43,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:24:43,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:24:43,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:43,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:24:43,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:24:43,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:24:43,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:24:43,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:24:43,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:24:43,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:24:43,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (1/1) ... [2021-10-19 14:24:43,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:43,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:24:43,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:24:43,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:24:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:24:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:24:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:24:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:24:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:24:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:24:43,887 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:24:44,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:24:44,242 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-19 14:24:44,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:44 BoogieIcfgContainer [2021-10-19 14:24:44,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:24:44,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:24:44,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:24:44,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:24:44,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:24:43" (1/3) ... [2021-10-19 14:24:44,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb7144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:44, skipping insertion in model container [2021-10-19 14:24:44,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:43" (2/3) ... [2021-10-19 14:24:44,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb7144e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:44, skipping insertion in model container [2021-10-19 14:24:44,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:44" (3/3) ... [2021-10-19 14:24:44,251 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_28-list2alloc.i [2021-10-19 14:24:44,254 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:24:44,254 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:24:44,254 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-19 14:24:44,254 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:24:44,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:44,292 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:24:44,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:24:44,325 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=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:24:44,325 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-10-19 14:24:44,334 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 174 places, 170 transitions, 345 flow [2021-10-19 14:24:44,370 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1393 states, 1367 states have (on average 1.912948061448427) internal successors, (2615), 1392 states have internal predecessors, (2615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 1393 states, 1367 states have (on average 1.912948061448427) internal successors, (2615), 1392 states have internal predecessors, (2615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-19 14:24:44,379 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:44,380 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:44,380 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:44,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:44,384 INFO L82 PathProgramCache]: Analyzing trace with hash -464850630, now seen corresponding path program 1 times [2021-10-19 14:24:44,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:44,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516530914] [2021-10-19 14:24:44,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:44,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:44,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:44,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516530914] [2021-10-19 14:24:44,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516530914] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:44,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:44,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:44,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863772634] [2021-10-19 14:24:44,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:44,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:44,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:44,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:44,698 INFO L87 Difference]: Start difference. First operand has 1393 states, 1367 states have (on average 1.912948061448427) internal successors, (2615), 1392 states have internal predecessors, (2615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:44,862 INFO L93 Difference]: Finished difference Result 1391 states and 2613 transitions. [2021-10-19 14:24:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:44,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-19 14:24:44,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:44,883 INFO L225 Difference]: With dead ends: 1391 [2021-10-19 14:24:44,884 INFO L226 Difference]: Without dead ends: 1391 [2021-10-19 14:24:44,885 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:44,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2021-10-19 14:24:44,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1391. [2021-10-19 14:24:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1367 states have (on average 1.9114850036576445) internal successors, (2613), 1390 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2613 transitions. [2021-10-19 14:24:44,961 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2613 transitions. Word has length 34 [2021-10-19 14:24:44,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:44,962 INFO L470 AbstractCegarLoop]: Abstraction has 1391 states and 2613 transitions. [2021-10-19 14:24:44,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2613 transitions. [2021-10-19 14:24:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-19 14:24:44,963 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:44,963 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:24:44,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:24:44,963 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:44,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:44,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1190714879, now seen corresponding path program 1 times [2021-10-19 14:24:44,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:44,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713443985] [2021-10-19 14:24:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:44,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713443985] [2021-10-19 14:24:45,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713443985] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:45,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145553897] [2021-10-19 14:24:45,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:45,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:45,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:45,127 INFO L87 Difference]: Start difference. First operand 1391 states and 2613 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,232 INFO L93 Difference]: Finished difference Result 1389 states and 2611 transitions. [2021-10-19 14:24:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:45,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-19 14:24:45,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,237 INFO L225 Difference]: With dead ends: 1389 [2021-10-19 14:24:45,237 INFO L226 Difference]: Without dead ends: 1389 [2021-10-19 14:24:45,238 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2021-10-19 14:24:45,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2021-10-19 14:24:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1367 states have (on average 1.9100219458668617) internal successors, (2611), 1388 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 2611 transitions. [2021-10-19 14:24:45,268 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 2611 transitions. Word has length 42 [2021-10-19 14:24:45,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,269 INFO L470 AbstractCegarLoop]: Abstraction has 1389 states and 2611 transitions. [2021-10-19 14:24:45,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2611 transitions. [2021-10-19 14:24:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-19 14:24:45,271 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,272 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:24:45,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:24:45,272 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:45,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1236761121, now seen corresponding path program 1 times [2021-10-19 14:24:45,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108666037] [2021-10-19 14:24:45,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108666037] [2021-10-19 14:24:45,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108666037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:45,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018166699] [2021-10-19 14:24:45,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:45,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:45,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:45,346 INFO L87 Difference]: Start difference. First operand 1389 states and 2611 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,360 INFO L93 Difference]: Finished difference Result 1388 states and 2610 transitions. [2021-10-19 14:24:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:45,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-19 14:24:45,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,365 INFO L225 Difference]: With dead ends: 1388 [2021-10-19 14:24:45,365 INFO L226 Difference]: Without dead ends: 1388 [2021-10-19 14:24:45,366 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:45,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2021-10-19 14:24:45,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2021-10-19 14:24:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 1367 states have (on average 1.9092904169714704) internal successors, (2610), 1387 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 2610 transitions. [2021-10-19 14:24:45,393 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 2610 transitions. Word has length 49 [2021-10-19 14:24:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,393 INFO L470 AbstractCegarLoop]: Abstraction has 1388 states and 2610 transitions. [2021-10-19 14:24:45,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2610 transitions. [2021-10-19 14:24:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-19 14:24:45,394 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,394 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:45,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:24:45,394 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:45,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,395 INFO L82 PathProgramCache]: Analyzing trace with hash -87623168, now seen corresponding path program 1 times [2021-10-19 14:24:45,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668965066] [2021-10-19 14:24:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668965066] [2021-10-19 14:24:45,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668965066] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:45,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582577898] [2021-10-19 14:24:45,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:45,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:45,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:45,457 INFO L87 Difference]: Start difference. First operand 1388 states and 2610 transitions. Second operand has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,472 INFO L93 Difference]: Finished difference Result 1387 states and 2609 transitions. [2021-10-19 14:24:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:45,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-10-19 14:24:45,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,479 INFO L225 Difference]: With dead ends: 1387 [2021-10-19 14:24:45,479 INFO L226 Difference]: Without dead ends: 1387 [2021-10-19 14:24:45,481 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:45,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2021-10-19 14:24:45,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2021-10-19 14:24:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1367 states have (on average 1.908558888076079) internal successors, (2609), 1386 states have internal predecessors, (2609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2609 transitions. [2021-10-19 14:24:45,511 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2609 transitions. Word has length 80 [2021-10-19 14:24:45,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,512 INFO L470 AbstractCegarLoop]: Abstraction has 1387 states and 2609 transitions. [2021-10-19 14:24:45,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2609 transitions. [2021-10-19 14:24:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-19 14:24:45,517 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,518 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:24:45,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:24:45,518 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:45,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,519 INFO L82 PathProgramCache]: Analyzing trace with hash 856028675, now seen corresponding path program 1 times [2021-10-19 14:24:45,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175331895] [2021-10-19 14:24:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175331895] [2021-10-19 14:24:45,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175331895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:45,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438425766] [2021-10-19 14:24:45,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:45,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:45,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:45,582 INFO L87 Difference]: Start difference. First operand 1387 states and 2609 transitions. Second operand has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,593 INFO L93 Difference]: Finished difference Result 1309 states and 2455 transitions. [2021-10-19 14:24:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:45,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-10-19 14:24:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,598 INFO L225 Difference]: With dead ends: 1309 [2021-10-19 14:24:45,598 INFO L226 Difference]: Without dead ends: 1309 [2021-10-19 14:24:45,599 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2021-10-19 14:24:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1309. [2021-10-19 14:24:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1298 states have (on average 1.891371340523883) internal successors, (2455), 1308 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 2455 transitions. [2021-10-19 14:24:45,621 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 2455 transitions. Word has length 91 [2021-10-19 14:24:45,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,622 INFO L470 AbstractCegarLoop]: Abstraction has 1309 states and 2455 transitions. [2021-10-19 14:24:45,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2455 transitions. [2021-10-19 14:24:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-19 14:24:45,624 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,625 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:24:45,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:24:45,625 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:45,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1853927033, now seen corresponding path program 1 times [2021-10-19 14:24:45,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593709205] [2021-10-19 14:24:45,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593709205] [2021-10-19 14:24:45,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593709205] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:45,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288435391] [2021-10-19 14:24:45,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:45,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:45,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:45,763 INFO L87 Difference]: Start difference. First operand 1309 states and 2455 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,903 INFO L93 Difference]: Finished difference Result 1393 states and 2615 transitions. [2021-10-19 14:24:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:45,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-10-19 14:24:45,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,909 INFO L225 Difference]: With dead ends: 1393 [2021-10-19 14:24:45,909 INFO L226 Difference]: Without dead ends: 1393 [2021-10-19 14:24:45,909 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2021-10-19 14:24:45,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1345. [2021-10-19 14:24:45,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1334 states have (on average 1.891304347826087) internal successors, (2523), 1344 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 2523 transitions. [2021-10-19 14:24:45,933 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 2523 transitions. Word has length 97 [2021-10-19 14:24:45,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,933 INFO L470 AbstractCegarLoop]: Abstraction has 1345 states and 2523 transitions. [2021-10-19 14:24:45,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2523 transitions. [2021-10-19 14:24:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-10-19 14:24:45,937 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,938 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:24:45,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:24:45,938 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:45,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1159708095, now seen corresponding path program 1 times [2021-10-19 14:24:45,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672354443] [2021-10-19 14:24:45,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:46,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:46,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672354443] [2021-10-19 14:24:46,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672354443] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:46,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:46,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:46,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305538995] [2021-10-19 14:24:46,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:46,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:46,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:46,064 INFO L87 Difference]: Start difference. First operand 1345 states and 2523 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:46,394 INFO L93 Difference]: Finished difference Result 1563 states and 2947 transitions. [2021-10-19 14:24:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:46,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-10-19 14:24:46,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:46,400 INFO L225 Difference]: With dead ends: 1563 [2021-10-19 14:24:46,400 INFO L226 Difference]: Without dead ends: 1451 [2021-10-19 14:24:46,400 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2021-10-19 14:24:46,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1409. [2021-10-19 14:24:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1398 states have (on average 1.8934191702432046) internal successors, (2647), 1408 states have internal predecessors, (2647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 2647 transitions. [2021-10-19 14:24:46,428 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 2647 transitions. Word has length 102 [2021-10-19 14:24:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:46,428 INFO L470 AbstractCegarLoop]: Abstraction has 1409 states and 2647 transitions. [2021-10-19 14:24:46,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2647 transitions. [2021-10-19 14:24:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-19 14:24:46,429 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:46,429 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:24:46,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:24:46,429 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:46,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:46,430 INFO L82 PathProgramCache]: Analyzing trace with hash 552895244, now seen corresponding path program 1 times [2021-10-19 14:24:46,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:46,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046538305] [2021-10-19 14:24:46,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:46,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:46,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:46,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046538305] [2021-10-19 14:24:46,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046538305] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:46,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:46,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:46,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181221821] [2021-10-19 14:24:46,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:46,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:46,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:46,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:46,517 INFO L87 Difference]: Start difference. First operand 1409 states and 2647 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:46,626 INFO L93 Difference]: Finished difference Result 1489 states and 2800 transitions. [2021-10-19 14:24:46,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:46,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-10-19 14:24:46,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:46,631 INFO L225 Difference]: With dead ends: 1489 [2021-10-19 14:24:46,631 INFO L226 Difference]: Without dead ends: 1489 [2021-10-19 14:24:46,631 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2021-10-19 14:24:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1444. [2021-10-19 14:24:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1433 states have (on average 1.8932309839497559) internal successors, (2713), 1443 states have internal predecessors, (2713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2713 transitions. [2021-10-19 14:24:46,668 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2713 transitions. Word has length 105 [2021-10-19 14:24:46,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:46,668 INFO L470 AbstractCegarLoop]: Abstraction has 1444 states and 2713 transitions. [2021-10-19 14:24:46,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2713 transitions. [2021-10-19 14:24:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-19 14:24:46,670 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:46,670 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:46,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:24:46,671 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:46,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:46,672 INFO L82 PathProgramCache]: Analyzing trace with hash -530438057, now seen corresponding path program 1 times [2021-10-19 14:24:46,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:46,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620350030] [2021-10-19 14:24:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:46,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:46,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:46,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620350030] [2021-10-19 14:24:46,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620350030] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:46,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:46,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:24:46,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419785756] [2021-10-19 14:24:46,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:46,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:46,722 INFO L87 Difference]: Start difference. First operand 1444 states and 2713 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:46,745 INFO L93 Difference]: Finished difference Result 1339 states and 2477 transitions. [2021-10-19 14:24:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:46,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-10-19 14:24:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:46,750 INFO L225 Difference]: With dead ends: 1339 [2021-10-19 14:24:46,750 INFO L226 Difference]: Without dead ends: 1339 [2021-10-19 14:24:46,750 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:46,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2021-10-19 14:24:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2021-10-19 14:24:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1328 states have (on average 1.865210843373494) internal successors, (2477), 1338 states have internal predecessors, (2477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 2477 transitions. [2021-10-19 14:24:46,772 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 2477 transitions. Word has length 109 [2021-10-19 14:24:46,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:46,772 INFO L470 AbstractCegarLoop]: Abstraction has 1339 states and 2477 transitions. [2021-10-19 14:24:46,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:46,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2477 transitions. [2021-10-19 14:24:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-19 14:24:46,773 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:46,773 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:46,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:24:46,773 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-10-19 14:24:46,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:46,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1507323911, now seen corresponding path program 1 times [2021-10-19 14:24:46,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:46,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539042600] [2021-10-19 14:24:46,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:46,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:24:46,806 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-19 14:24:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:24:46,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-19 14:24:46,866 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-19 14:24:46,868 WARN L676 BasicCegarLoop]: Found a data race, but unable to determine exactly which statements and variables are involved. [2021-10-19 14:24:46,869 WARN L679 BasicCegarLoop]: C: *data = 42 [1246] might race with any of C: A->datum++ [1230], or C: p->next = ((void *)0) [1223], or C: p->next = ((void *)0) [1223], or C: p->next = ((void *)0) [1223], or C: p->next = ((void *)0) [1223], or C: p->datum = x [1222], or C: p->datum = x [1222], or C: p->datum = x [1222], or C: p->datum = x [1222] [2021-10-19 14:24:46,870 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,873 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:24:46,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:24:46,881 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:24:46,882 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:24:46,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:24:46 BasicIcfg [2021-10-19 14:24:46,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:24:46,943 INFO L168 Benchmark]: Toolchain (without parser) took 3760.64 ms. Allocated memory was 209.7 MB in the beginning and 298.8 MB in the end (delta: 89.1 MB). Free memory was 155.7 MB in the beginning and 106.9 MB in the end (delta: 48.8 MB). Peak memory consumption was 138.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:46,943 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 209.7 MB. Free memory is still 174.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:24:46,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.10 ms. Allocated memory is still 209.7 MB. Free memory was 155.6 MB in the beginning and 158.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:46,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.94 ms. Allocated memory is still 209.7 MB. Free memory was 157.9 MB in the beginning and 155.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:46,944 INFO L168 Benchmark]: Boogie Preprocessor took 45.29 ms. Allocated memory is still 209.7 MB. Free memory was 155.2 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:46,944 INFO L168 Benchmark]: RCFGBuilder took 449.06 ms. Allocated memory is still 209.7 MB. Free memory was 152.6 MB in the beginning and 134.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:46,944 INFO L168 Benchmark]: TraceAbstraction took 2696.68 ms. Allocated memory was 209.7 MB in the beginning and 298.8 MB in the end (delta: 89.1 MB). Free memory was 133.8 MB in the beginning and 106.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 117.5 MB. Max. memory is 8.0 GB. [2021-10-19 14:24:46,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 209.7 MB. Free memory is still 174.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 481.10 ms. Allocated memory is still 209.7 MB. Free memory was 155.6 MB in the beginning and 158.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 82.94 ms. Allocated memory is still 209.7 MB. Free memory was 157.9 MB in the beginning and 155.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.29 ms. Allocated memory is still 209.7 MB. Free memory was 155.2 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 449.06 ms. Allocated memory is still 209.7 MB. Free memory was 152.6 MB in the beginning and 134.3 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2696.68 ms. Allocated memory was 209.7 MB in the beginning and 298.8 MB in the end (delta: 89.1 MB). Free memory was 133.8 MB in the beginning and 106.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 117.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1244] EXPR 0 A->datum VAL [A={-2:0}, A_mutex={10:0}, arg={0:0}, 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}, 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}, arg={0:0}, B={-3:0}, B_mutex={11:0}] [L1230] EXPR 1 A->datum VAL [A={-2:0}, 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=42, 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=42, 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: 1244]: 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: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races 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. - UnprovableResult [Line: 1233]: 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, 21 error locations. Started 1 CEGAR loops. OverallTime: 2558.1ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 25.3ms, AutomataDifference: 1005.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1714 SDtfs, 454 SDslu, 1649 SDs, 0 SdLazy, 992 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 586.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 130.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1444occurred in iteration=8, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 286.1ms AutomataMinimizationTime, 9 MinimizatonAttempts, 135 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.8ms SsaConstructionTime, 218.1ms SatisfiabilityAnalysisTime, 628.0ms InterpolantComputationTime, 818 NumberOfCodeBlocks, 818 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 700 ConstructedInterpolants, 0 QuantifiedInterpolants, 1323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2021-10-19 14:24:46,973 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...