/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/06-symbeq_10-equ_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:21:37,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:21:37,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:21:37,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 18:21:37,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:21:37,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:21:37,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:21:37,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:21:37,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:21:37,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:21:37,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:21:37,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:21:37,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:21:37,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:21:37,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:21:37,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:21:37,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:21:37,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:21:37,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:21:37,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:21:37,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:21:37,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-03 18:21:37,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:21:37,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:21:37,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:21:37,165 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 [2022-03-03 18:21:37,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:21:37,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:21:37,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:21:37,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:21:37,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:21:37,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:21:37,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:21:37,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:21:37,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:21:37,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:21:37,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:37,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:21:37,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:21:37,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:21:37,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:21:37,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:21:37,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:21:37,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:21:37,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:21:37,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:21:37,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:21:37,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:21:37,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:21:37,396 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:21:37,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2022-03-03 18:21:37,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94cc45b2/b7ae2888ee654ea497d0d7a85c3677c5/FLAG2bc76f94a [2022-03-03 18:21:37,801 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:21:37,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2022-03-03 18:21:37,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94cc45b2/b7ae2888ee654ea497d0d7a85c3677c5/FLAG2bc76f94a [2022-03-03 18:21:38,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94cc45b2/b7ae2888ee654ea497d0d7a85c3677c5 [2022-03-03 18:21:38,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:21:38,181 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:21:38,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:38,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:21:38,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:21:38,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0b30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38, skipping insertion in model container [2022-03-03 18:21:38,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:21:38,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:21:38,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:38,593 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:21:38,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:38,685 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:21:38,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38 WrapperNode [2022-03-03 18:21:38,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:38,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:38,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:21:38,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:21:38,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,739 INFO L137 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2022-03-03 18:21:38,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:38,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:21:38,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:21:38,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:21:38,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:21:38,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:21:38,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:21:38,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:21:38,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (1/1) ... [2022-03-03 18:21:38,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:38,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:38,797 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) [2022-03-03 18:21:38,804 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 [2022-03-03 18:21:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:21:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:21:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:21:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:21:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:21:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:21:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:21:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:21:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:21:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:21:38,828 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:21:38,963 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:21:38,964 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:21:39,139 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:21:39,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:21:39,144 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:21:39,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:39 BoogieIcfgContainer [2022-03-03 18:21:39,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:21:39,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:21:39,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:21:39,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:21:39,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:21:38" (1/3) ... [2022-03-03 18:21:39,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5741db4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:39, skipping insertion in model container [2022-03-03 18:21:39,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:38" (2/3) ... [2022-03-03 18:21:39,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5741db4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:39, skipping insertion in model container [2022-03-03 18:21:39,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:39" (3/3) ... [2022-03-03 18:21:39,152 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2022-03-03 18:21:39,155 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:21:39,155 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:21:39,155 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-03 18:21:39,155 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,199 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,200 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,205 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,214 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,214 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,214 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:39,216 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:21:39,243 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:21:39,249 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:21:39,249 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-03 18:21:39,260 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 89 transitions, 183 flow [2022-03-03 18:21:39,305 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 343 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 342 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 343 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 342 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-03 18:21:39,316 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:39,316 INFO L514 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] [2022-03-03 18:21:39,317 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-03 18:21:39,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:39,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1893546033, now seen corresponding path program 1 times [2022-03-03 18:21:39,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:39,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398888694] [2022-03-03 18:21:39,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:39,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:39,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:39,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398888694] [2022-03-03 18:21:39,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398888694] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:39,672 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:39,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:39,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60850414] [2022-03-03 18:21:39,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:39,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:39,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:39,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:39,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:39,702 INFO L87 Difference]: Start difference. First operand has 343 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 342 states have internal predecessors, (598), 0 states have call successors, (0), 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 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:39,860 INFO L93 Difference]: Finished difference Result 397 states and 692 transitions. [2022-03-03 18:21:39,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:39,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-03-03 18:21:39,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:39,869 INFO L225 Difference]: With dead ends: 397 [2022-03-03 18:21:39,869 INFO L226 Difference]: Without dead ends: 307 [2022-03-03 18:21:39,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:39,892 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 65 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:39,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 392 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:39,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-03-03 18:21:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2022-03-03 18:21:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 299 states have (on average 1.7123745819397993) internal successors, (512), 301 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 512 transitions. [2022-03-03 18:21:39,932 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 512 transitions. Word has length 58 [2022-03-03 18:21:39,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:39,933 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 512 transitions. [2022-03-03 18:21:39,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 512 transitions. [2022-03-03 18:21:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-03 18:21:39,934 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:39,934 INFO L514 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] [2022-03-03 18:21:39,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:21:39,935 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-03 18:21:39,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:39,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1424353823, now seen corresponding path program 1 times [2022-03-03 18:21:39,935 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:39,935 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304846266] [2022-03-03 18:21:39,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:39,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:40,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:40,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304846266] [2022-03-03 18:21:40,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304846266] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:40,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:40,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:40,062 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677704033] [2022-03-03 18:21:40,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:40,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:40,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:40,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:40,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:40,065 INFO L87 Difference]: Start difference. First operand 302 states and 512 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:40,158 INFO L93 Difference]: Finished difference Result 339 states and 576 transitions. [2022-03-03 18:21:40,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:40,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-03-03 18:21:40,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:40,163 INFO L225 Difference]: With dead ends: 339 [2022-03-03 18:21:40,163 INFO L226 Difference]: Without dead ends: 284 [2022-03-03 18:21:40,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:40,165 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 46 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:40,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 292 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:40,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-03-03 18:21:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2022-03-03 18:21:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 277 states have (on average 1.6750902527075813) internal successors, (464), 279 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 464 transitions. [2022-03-03 18:21:40,188 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 464 transitions. Word has length 59 [2022-03-03 18:21:40,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:40,188 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 464 transitions. [2022-03-03 18:21:40,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 464 transitions. [2022-03-03 18:21:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:40,190 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:40,190 INFO L514 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] [2022-03-03 18:21:40,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:21:40,190 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-03 18:21:40,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:40,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1625031745, now seen corresponding path program 1 times [2022-03-03 18:21:40,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:40,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417395212] [2022-03-03 18:21:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:40,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:40,401 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:40,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417395212] [2022-03-03 18:21:40,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417395212] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:40,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:40,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:21:40,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98961264] [2022-03-03 18:21:40,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:40,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:21:40,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:40,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:21:40,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:21:40,404 INFO L87 Difference]: Start difference. First operand 280 states and 464 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:40,652 INFO L93 Difference]: Finished difference Result 500 states and 853 transitions. [2022-03-03 18:21:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:21:40,653 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-03-03 18:21:40,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:40,655 INFO L225 Difference]: With dead ends: 500 [2022-03-03 18:21:40,655 INFO L226 Difference]: Without dead ends: 453 [2022-03-03 18:21:40,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:21:40,656 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 305 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:40,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [305 Valid, 361 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:40,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-03-03 18:21:40,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 391. [2022-03-03 18:21:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 388 states have (on average 1.7268041237113403) internal successors, (670), 390 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 670 transitions. [2022-03-03 18:21:40,665 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 670 transitions. Word has length 65 [2022-03-03 18:21:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:40,665 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 670 transitions. [2022-03-03 18:21:40,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 670 transitions. [2022-03-03 18:21:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:40,670 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:40,670 INFO L514 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] [2022-03-03 18:21:40,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:21:40,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-03 18:21:40,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1662543192, now seen corresponding path program 1 times [2022-03-03 18:21:40,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:40,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824997904] [2022-03-03 18:21:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:40,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:40,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:40,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824997904] [2022-03-03 18:21:40,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824997904] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:40,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:40,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:21:40,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295520955] [2022-03-03 18:21:40,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:40,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:21:40,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:40,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:21:40,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:21:40,903 INFO L87 Difference]: Start difference. First operand 391 states and 670 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:41,174 INFO L93 Difference]: Finished difference Result 425 states and 718 transitions. [2022-03-03 18:21:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:21:41,174 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-03-03 18:21:41,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:41,175 INFO L225 Difference]: With dead ends: 425 [2022-03-03 18:21:41,175 INFO L226 Difference]: Without dead ends: 280 [2022-03-03 18:21:41,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:21:41,176 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 233 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:41,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 292 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:21:41,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-03-03 18:21:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2022-03-03 18:21:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 273 states have (on average 1.6813186813186813) internal successors, (459), 275 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 459 transitions. [2022-03-03 18:21:41,181 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 459 transitions. Word has length 65 [2022-03-03 18:21:41,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:41,182 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 459 transitions. [2022-03-03 18:21:41,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:21:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 459 transitions. [2022-03-03 18:21:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-03 18:21:41,182 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:41,182 INFO L514 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] [2022-03-03 18:21:41,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:21:41,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-03 18:21:41,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:41,183 INFO L85 PathProgramCache]: Analyzing trace with hash 804905518, now seen corresponding path program 1 times [2022-03-03 18:21:41,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:41,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684215988] [2022-03-03 18:21:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:41,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:21:41,227 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:21:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:21:41,278 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:21:41,278 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:21:41,279 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-03-03 18:21:41,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-03-03 18:21:41,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-03-03 18:21:41,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-03-03 18:21:41,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 18:21:41,282 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-03 18:21:41,287 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:21:41,287 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:21:41,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:21:41 BasicIcfg [2022-03-03 18:21:41,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:21:41,315 INFO L158 Benchmark]: Toolchain (without parser) took 3134.08ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 131.9MB in the beginning and 164.3MB in the end (delta: -32.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2022-03-03 18:21:41,315 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:21:41,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.37ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 131.7MB in the beginning and 184.5MB in the end (delta: -52.8MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2022-03-03 18:21:41,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.14ms. Allocated memory is still 224.4MB. Free memory was 184.5MB in the beginning and 182.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:21:41,316 INFO L158 Benchmark]: Boogie Preprocessor took 30.81ms. Allocated memory is still 224.4MB. Free memory was 182.2MB in the beginning and 180.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:21:41,316 INFO L158 Benchmark]: RCFGBuilder took 374.28ms. Allocated memory is still 224.4MB. Free memory was 180.8MB in the beginning and 167.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-03 18:21:41,317 INFO L158 Benchmark]: TraceAbstraction took 2168.55ms. Allocated memory is still 224.4MB. Free memory was 166.7MB in the beginning and 164.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. [2022-03-03 18:21:41,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 504.37ms. Allocated memory was 184.5MB in the beginning and 224.4MB in the end (delta: 39.8MB). Free memory was 131.7MB in the beginning and 184.5MB in the end (delta: -52.8MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.14ms. Allocated memory is still 224.4MB. Free memory was 184.5MB in the beginning and 182.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.81ms. Allocated memory is still 224.4MB. Free memory was 182.2MB in the beginning and 180.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 374.28ms. Allocated memory is still 224.4MB. Free memory was 180.8MB in the beginning and 167.1MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2168.55ms. Allocated memory is still 224.4MB. Free memory was 166.7MB in the beginning and 164.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 996]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, arg={0:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, pthread_create(&id,((void *)0),t_fun,((void *)0))=-1, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] [L1019] 0 *d = 8 VAL [*d = 8=38, A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, arg={0:0}, arg={0:0}, B={2:0}, B.datum = 5=37] Now there is a data race (on the heap) between C: *d = 8 [1019] and C: B.datum = 5 [996] - UnprovableResult [Line: 1019]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1017]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 649 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 649 mSDsluCounter, 1337 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 923 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 868 IncrementalHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 422 mSDtfsCounter, 868 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=391occurred in iteration=3, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 243 ConstructedInterpolants, 0 QuantifiedInterpolants, 1149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2022-03-03 18:21:41,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...