/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 -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 11:02:17,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 11:02:17,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 11:02:17,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 11:02:17,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 11:02:17,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 11:02:17,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 11:02:17,820 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 [2022-02-15 11:02:17,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 11:02:17,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 11:02:17,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 11:02:17,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 11:02:17,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 11:02:17,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 11:02:17,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 11:02:17,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 11:02:17,846 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 11:02:17,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 11:02:17,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 11:02:17,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 11:02:17,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 11:02:17,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:02:17,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 11:02:17,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 11:02:17,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 11:02:18,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 11:02:18,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 11:02:18,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 11:02:18,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 11:02:18,079 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 11:02:18,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-15 11:02:18,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430663df5/a8f1bb3bbeff4b2dbd4792889d694646/FLAG0c78b1fb0 [2022-02-15 11:02:18,552 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 11:02:18,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-15 11:02:18,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430663df5/a8f1bb3bbeff4b2dbd4792889d694646/FLAG0c78b1fb0 [2022-02-15 11:02:18,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430663df5/a8f1bb3bbeff4b2dbd4792889d694646 [2022-02-15 11:02:18,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 11:02:18,586 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 11:02:18,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 11:02:18,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 11:02:18,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 11:02:18,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:18,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ad512b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18, skipping insertion in model container [2022-02-15 11:02:18,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:18,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 11:02:18,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 11:02:18,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-02-15 11:02:18,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:02:18,907 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 11:02:18,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i[1103,1116] [2022-02-15 11:02:18,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:02:18,964 INFO L208 MainTranslator]: Completed translation [2022-02-15 11:02:18,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18 WrapperNode [2022-02-15 11:02:18,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 11:02:18,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 11:02:18,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 11:02:18,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 11:02:18,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:18,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,010 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-02-15 11:02:19,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 11:02:19,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 11:02:19,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 11:02:19,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 11:02:19,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 11:02:19,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 11:02:19,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 11:02:19,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 11:02:19,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (1/1) ... [2022-02-15 11:02:19,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:02:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 11:02:19,061 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) [2022-02-15 11:02:19,067 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 [2022-02-15 11:02:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 11:02:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 11:02:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 11:02:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 11:02:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 11:02:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 11:02:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 11:02:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 11:02:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 11:02:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 11:02:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 11:02:19,098 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 11:02:19,242 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 11:02:19,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 11:02:19,384 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 11:02:19,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 11:02:19,390 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 11:02:19,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:02:19 BoogieIcfgContainer [2022-02-15 11:02:19,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 11:02:19,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 11:02:19,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 11:02:19,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 11:02:19,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:02:18" (1/3) ... [2022-02-15 11:02:19,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5b2d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:02:19, skipping insertion in model container [2022-02-15 11:02:19,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:18" (2/3) ... [2022-02-15 11:02:19,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5b2d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:02:19, skipping insertion in model container [2022-02-15 11:02:19,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:02:19" (3/3) ... [2022-02-15 11:02:19,397 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2022-02-15 11:02:19,400 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 11:02:19,401 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 11:02:19,401 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 11:02:19,401 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 11:02:19,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,434 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,445 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,446 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:19,450 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 11:02:19,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 11:02:19,493 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 [2022-02-15 11:02:19,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-15 11:02:19,502 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 150 flow [2022-02-15 11:02:19,530 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) [2022-02-15 11:02:19,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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) [2022-02-15 11:02:19,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-15 11:02:19,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:19,539 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] [2022-02-15 11:02:19,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:02:19,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:19,547 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-02-15 11:02:19,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:19,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907791591] [2022-02-15 11:02:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:19,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:19,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:19,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907791591] [2022-02-15 11:02:19,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907791591] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:19,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:19,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 11:02:19,759 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109339115] [2022-02-15 11:02:19,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:19,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 11:02:19,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:19,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 11:02:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 11:02:19,792 INFO L87 Difference]: Start difference. First operand has 197 states, 196 states have (on average 1.7142857142857142) internal successors, (336), 196 states have internal predecessors, (336), 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 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 11:02:19,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:19,885 INFO L93 Difference]: Finished difference Result 212 states and 354 transitions. [2022-02-15 11:02:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 11:02:19,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-02-15 11:02:19,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:19,897 INFO L225 Difference]: With dead ends: 212 [2022-02-15 11:02:19,897 INFO L226 Difference]: Without dead ends: 137 [2022-02-15 11:02:19,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:02:19,903 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 46 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:19,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 232 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:02:19,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-02-15 11:02:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-02-15 11:02:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.588235294117647) internal successors, (216), 136 states have internal predecessors, (216), 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) [2022-02-15 11:02:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 216 transitions. [2022-02-15 11:02:19,943 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 216 transitions. Word has length 42 [2022-02-15 11:02:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:19,944 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 216 transitions. [2022-02-15 11:02:19,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 11:02:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 216 transitions. [2022-02-15 11:02:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-15 11:02:19,946 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:19,946 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] [2022-02-15 11:02:19,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 11:02:19,946 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:02:19,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:19,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1191502746, now seen corresponding path program 1 times [2022-02-15 11:02:19,947 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:19,947 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459331850] [2022-02-15 11:02:19,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:19,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:20,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:20,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459331850] [2022-02-15 11:02:20,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459331850] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:20,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:20,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 11:02:20,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596719683] [2022-02-15 11:02:20,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:20,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 11:02:20,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:20,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 11:02:20,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 11:02:20,030 INFO L87 Difference]: Start difference. First operand 137 states and 216 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-02-15 11:02:20,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:20,050 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2022-02-15 11:02:20,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 11:02:20,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-02-15 11:02:20,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:20,051 INFO L225 Difference]: With dead ends: 82 [2022-02-15 11:02:20,051 INFO L226 Difference]: Without dead ends: 64 [2022-02-15 11:02:20,051 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 [2022-02-15 11:02:20,052 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:20,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 82 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:02:20,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-15 11:02:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-02-15 11:02:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 63 states have internal predecessors, (77), 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) [2022-02-15 11:02:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 77 transitions. [2022-02-15 11:02:20,058 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 77 transitions. Word has length 48 [2022-02-15 11:02:20,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:20,058 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 77 transitions. [2022-02-15 11:02:20,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-02-15 11:02:20,058 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2022-02-15 11:02:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 11:02:20,059 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:20,059 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] [2022-02-15 11:02:20,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 11:02:20,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:02:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:20,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1925525721, now seen corresponding path program 1 times [2022-02-15 11:02:20,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:20,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070588741] [2022-02-15 11:02:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:20,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:02:20,082 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 11:02:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:02:20,130 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 11:02:20,130 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 11:02:20,130 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-15 11:02:20,132 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-15 11:02:20,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 11:02:20,135 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-15 11:02:20,137 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 11:02:20,138 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 11:02:20,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:02:20 BasicIcfg [2022-02-15 11:02:20,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 11:02:20,163 INFO L158 Benchmark]: Toolchain (without parser) took 1576.65ms. Allocated memory is still 188.7MB. Free memory was 137.2MB in the beginning and 86.7MB in the end (delta: 50.5MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2022-02-15 11:02:20,163 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 11:02:20,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.03ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 155.8MB in the end (delta: -18.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-15 11:02:20,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.75ms. Allocated memory is still 188.7MB. Free memory was 155.8MB in the beginning and 153.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 11:02:20,164 INFO L158 Benchmark]: Boogie Preprocessor took 24.91ms. Allocated memory is still 188.7MB. Free memory was 153.8MB in the beginning and 152.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 11:02:20,165 INFO L158 Benchmark]: RCFGBuilder took 354.53ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 140.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-15 11:02:20,165 INFO L158 Benchmark]: TraceAbstraction took 770.18ms. Allocated memory is still 188.7MB. Free memory was 139.6MB in the beginning and 86.7MB in the end (delta: 53.0MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2022-02-15 11:02:20,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 155.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 376.03ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 155.8MB in the end (delta: -18.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.75ms. Allocated memory is still 188.7MB. Free memory was 155.8MB in the beginning and 153.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.91ms. Allocated memory is still 188.7MB. Free memory was 153.8MB in the beginning and 152.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.53ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 140.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 770.18ms. Allocated memory is still 188.7MB. Free memory was 139.6MB in the beginning and 86.7MB in the end (delta: 53.0MB). Peak memory consumption was 53.5MB. 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 136 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-15 11:02:20,197 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...