/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/04-mutex_06-ps_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:20:34,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:20:34,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:20:34,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 18:20:34,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:20:34,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:20:34,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:20:34,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:20:34,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:20:34,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:20:34,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:20:34,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:20:34,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:20:34,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:20:34,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:20:34,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:20:34,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-03 18:20:34,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:20:34,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:20:34,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:20:34,731 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 18:20:34,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:20:34,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:20:34,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:20:34,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:20:34,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:20:34,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:20:34,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:20:34,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:20:34,771 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:20:34,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:20:34,772 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:20:34,773 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:20:34,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:20:34,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:20:34,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:20:34,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:20:34,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:34,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:20:34,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:20:34,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:20:34,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:20:35,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:20:35,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:20:35,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:20:35,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:20:35,076 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:20:35,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_06-ps_rc.i [2022-03-03 18:20:35,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d479d4d93/c8349ca513284b89806853e3ba574883/FLAG3bbd340ef [2022-03-03 18:20:35,692 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:20:35,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_06-ps_rc.i [2022-03-03 18:20:35,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d479d4d93/c8349ca513284b89806853e3ba574883/FLAG3bbd340ef [2022-03-03 18:20:36,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d479d4d93/c8349ca513284b89806853e3ba574883 [2022-03-03 18:20:36,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:20:36,141 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:20:36,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:36,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:20:36,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:20:36,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d09a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36, skipping insertion in model container [2022-03-03 18:20:36,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:20:36,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:20:36,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:36,608 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:20:36,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:36,710 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:20:36,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36 WrapperNode [2022-03-03 18:20:36,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:36,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:36,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:20:36,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:20:36,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,781 INFO L137 Inliner]: procedures = 266, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-03-03 18:20:36,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:36,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:20:36,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:20:36,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:20:36,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:20:36,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:20:36,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:20:36,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:20:36,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (1/1) ... [2022-03-03 18:20:36,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:36,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:20:36,869 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 18:20:36,890 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 18:20:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:20:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:20:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:20:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:20:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:20:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:20:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:20:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:20:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:20:36,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:20:36,911 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 18:20:37,079 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:20:37,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:20:37,223 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:20:37,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:20:37,230 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:20:37,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:37 BoogieIcfgContainer [2022-03-03 18:20:37,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:20:37,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:20:37,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:20:37,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:20:37,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:20:36" (1/3) ... [2022-03-03 18:20:37,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25713bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:37, skipping insertion in model container [2022-03-03 18:20:37,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:36" (2/3) ... [2022-03-03 18:20:37,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25713bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:37, skipping insertion in model container [2022-03-03 18:20:37,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:37" (3/3) ... [2022-03-03 18:20:37,238 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_06-ps_rc.i [2022-03-03 18:20:37,242 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:20:37,243 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:20:37,243 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-03 18:20:37,243 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:20:37,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,272 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,272 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,272 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,273 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,273 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,277 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,281 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,281 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,281 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,282 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:37,284 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:20:37,324 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:20:37,331 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 18:20:37,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-03 18:20:37,350 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 83 transitions, 171 flow [2022-03-03 18:20:37,416 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 484 states, 476 states have (on average 1.9516806722689075) internal successors, (929), 483 states have internal predecessors, (929), 0 states have call successors, (0), 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 18:20:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 484 states, 476 states have (on average 1.9516806722689075) internal successors, (929), 483 states have internal predecessors, (929), 0 states have call successors, (0), 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 18:20:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-03 18:20:37,433 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:37,433 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] [2022-03-03 18:20:37,434 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:37,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:37,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1641404404, now seen corresponding path program 1 times [2022-03-03 18:20:37,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:37,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564031335] [2022-03-03 18:20:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:37,789 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 18:20:37,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:37,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564031335] [2022-03-03 18:20:37,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564031335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:37,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:37,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:37,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076623103] [2022-03-03 18:20:37,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:37,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:37,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:37,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:37,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:37,844 INFO L87 Difference]: Start difference. First operand has 484 states, 476 states have (on average 1.9516806722689075) internal successors, (929), 483 states have internal predecessors, (929), 0 states have call successors, (0), 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 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 18:20:37,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:37,952 INFO L93 Difference]: Finished difference Result 570 states and 1094 transitions. [2022-03-03 18:20:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:37,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-03-03 18:20:37,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:37,973 INFO L225 Difference]: With dead ends: 570 [2022-03-03 18:20:37,973 INFO L226 Difference]: Without dead ends: 570 [2022-03-03 18:20:37,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:37,991 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:37,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 180 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:38,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-03-03 18:20:38,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 482. [2022-03-03 18:20:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 475 states have (on average 1.9410526315789474) internal successors, (922), 481 states have internal predecessors, (922), 0 states have call successors, (0), 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 18:20:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 922 transitions. [2022-03-03 18:20:38,086 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 922 transitions. Word has length 39 [2022-03-03 18:20:38,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:38,087 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 922 transitions. [2022-03-03 18:20:38,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 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 18:20:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 922 transitions. [2022-03-03 18:20:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-03 18:20:38,090 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:38,090 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] [2022-03-03 18:20:38,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:20:38,092 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:38,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:38,098 INFO L85 PathProgramCache]: Analyzing trace with hash 163817509, now seen corresponding path program 1 times [2022-03-03 18:20:38,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:38,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077861933] [2022-03-03 18:20:38,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:38,158 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 18:20:38,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:38,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077861933] [2022-03-03 18:20:38,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077861933] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:38,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:38,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:38,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324943777] [2022-03-03 18:20:38,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:38,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:38,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:38,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:38,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:38,161 INFO L87 Difference]: Start difference. First operand 482 states and 922 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 18:20:38,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:38,194 INFO L93 Difference]: Finished difference Result 503 states and 948 transitions. [2022-03-03 18:20:38,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:38,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-03-03 18:20:38,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:38,197 INFO L225 Difference]: With dead ends: 503 [2022-03-03 18:20:38,197 INFO L226 Difference]: Without dead ends: 383 [2022-03-03 18:20:38,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:38,199 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 31 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:38,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 173 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:38,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-03-03 18:20:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 369. [2022-03-03 18:20:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 363 states have (on average 1.8236914600550964) internal successors, (662), 368 states have internal predecessors, (662), 0 states have call successors, (0), 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 18:20:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 662 transitions. [2022-03-03 18:20:38,223 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 662 transitions. Word has length 44 [2022-03-03 18:20:38,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:38,224 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 662 transitions. [2022-03-03 18:20:38,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 18:20:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 662 transitions. [2022-03-03 18:20:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-03 18:20:38,226 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:38,226 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] [2022-03-03 18:20:38,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:20:38,226 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:38,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:38,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2144798248, now seen corresponding path program 1 times [2022-03-03 18:20:38,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:38,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719106635] [2022-03-03 18:20:38,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:38,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:38,323 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 18:20:38,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:38,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719106635] [2022-03-03 18:20:38,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719106635] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:38,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:38,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 18:20:38,325 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574362597] [2022-03-03 18:20:38,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:38,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:38,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:38,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:38,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:38,328 INFO L87 Difference]: Start difference. First operand 369 states and 662 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 18:20:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:38,354 INFO L93 Difference]: Finished difference Result 429 states and 746 transitions. [2022-03-03 18:20:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:38,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-03-03 18:20:38,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:38,357 INFO L225 Difference]: With dead ends: 429 [2022-03-03 18:20:38,357 INFO L226 Difference]: Without dead ends: 397 [2022-03-03 18:20:38,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:38,359 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 23 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:38,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 170 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-03-03 18:20:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 369. [2022-03-03 18:20:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 363 states have (on average 1.7796143250688705) internal successors, (646), 368 states have internal predecessors, (646), 0 states have call successors, (0), 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 18:20:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 646 transitions. [2022-03-03 18:20:38,369 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 646 transitions. Word has length 47 [2022-03-03 18:20:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:38,369 INFO L470 AbstractCegarLoop]: Abstraction has 369 states and 646 transitions. [2022-03-03 18:20:38,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 18:20:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 646 transitions. [2022-03-03 18:20:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-03 18:20:38,371 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:38,371 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] [2022-03-03 18:20:38,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:20:38,371 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:38,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:38,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1743137408, now seen corresponding path program 1 times [2022-03-03 18:20:38,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:38,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227296975] [2022-03-03 18:20:38,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:38,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:38,447 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 18:20:38,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:38,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227296975] [2022-03-03 18:20:38,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227296975] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:38,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:38,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:38,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530314249] [2022-03-03 18:20:38,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:38,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:38,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:38,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:38,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:38,450 INFO L87 Difference]: Start difference. First operand 369 states and 646 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) [2022-03-03 18:20:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:38,477 INFO L93 Difference]: Finished difference Result 371 states and 639 transitions. [2022-03-03 18:20:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:38,477 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 [2022-03-03 18:20:38,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:38,480 INFO L225 Difference]: With dead ends: 371 [2022-03-03 18:20:38,480 INFO L226 Difference]: Without dead ends: 281 [2022-03-03 18:20:38,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:38,491 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 17 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:38,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 153 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:38,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-03-03 18:20:38,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-03-03 18:20:38,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 277 states have (on average 1.6425992779783394) internal successors, (455), 280 states have internal predecessors, (455), 0 states have call successors, (0), 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 18:20:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 455 transitions. [2022-03-03 18:20:38,504 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 455 transitions. Word has length 49 [2022-03-03 18:20:38,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:38,504 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 455 transitions. [2022-03-03 18:20:38,504 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) [2022-03-03 18:20:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 455 transitions. [2022-03-03 18:20:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-03 18:20:38,505 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:38,506 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] [2022-03-03 18:20:38,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:20:38,506 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:20:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:38,507 INFO L85 PathProgramCache]: Analyzing trace with hash -911164554, now seen corresponding path program 1 times [2022-03-03 18:20:38,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:38,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663248624] [2022-03-03 18:20:38,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:38,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:38,532 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:20:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:38,571 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:20:38,571 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:20:38,572 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-03 18:20:38,573 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-03 18:20:38,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-03 18:20:38,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-03 18:20:38,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-03 18:20:38,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-03 18:20:38,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-03 18:20:38,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 18:20:38,582 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-03 18:20:38,587 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:20:38,588 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:20:38,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:20:38 BasicIcfg [2022-03-03 18:20:38,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:20:38,650 INFO L158 Benchmark]: Toolchain (without parser) took 2509.53ms. Allocated memory was 179.3MB in the beginning and 242.2MB in the end (delta: 62.9MB). Free memory was 126.1MB in the beginning and 150.7MB in the end (delta: -24.7MB). Peak memory consumption was 38.5MB. Max. memory is 8.0GB. [2022-03-03 18:20:38,650 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:38,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.50ms. Allocated memory is still 179.3MB. Free memory was 125.9MB in the beginning and 136.4MB in the end (delta: -10.5MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-03-03 18:20:38,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.08ms. Allocated memory is still 179.3MB. Free memory was 136.4MB in the beginning and 133.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-03 18:20:38,651 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 179.3MB. Free memory was 133.9MB in the beginning and 132.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-03 18:20:38,651 INFO L158 Benchmark]: RCFGBuilder took 415.69ms. Allocated memory is still 179.3MB. Free memory was 132.8MB in the beginning and 120.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-03 18:20:38,651 INFO L158 Benchmark]: TraceAbstraction took 1416.66ms. Allocated memory was 179.3MB in the beginning and 242.2MB in the end (delta: 62.9MB). Free memory was 120.3MB in the beginning and 150.7MB in the end (delta: -30.5MB). Peak memory consumption was 32.8MB. Max. memory is 8.0GB. [2022-03-03 18:20:38,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 179.3MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 571.50ms. Allocated memory is still 179.3MB. Free memory was 125.9MB in the beginning and 136.4MB in the end (delta: -10.5MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.08ms. Allocated memory is still 179.3MB. Free memory was 136.4MB in the beginning and 133.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 179.3MB. Free memory was 133.9MB in the beginning and 132.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 415.69ms. Allocated memory is still 179.3MB. Free memory was 132.8MB in the beginning and 120.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1416.66ms. Allocated memory was 179.3MB in the beginning and 242.2MB in the end (delta: 62.9MB). Free memory was 120.3MB in the beginning and 150.7MB in the end (delta: -30.5MB). Peak memory consumption was 32.8MB. 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: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L930] 0 pthread_mutex_t n = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}, n={5:0}] [L938] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, glob=0, i=1, m={4:0}, n={5:0}] [L939] 0 pthread_t id; VAL [glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L940] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={4:0}, n={5:0}] [L942] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, m={4:0}, n={5:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={6:0}, m={4:0}, n={5:0}] Now there is a data race on ~glob~0 between C: glob++ [933] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 940]: 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: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: 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, 100 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 676 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 275 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 404 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 130 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 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 18:20:38,726 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...