/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_11-ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 12:44:42,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:44:42,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:44:42,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 12:44:43,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:44:43,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:44:43,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:44:43,007 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 12:44:43,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:44:43,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:44:43,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:44:43,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:44:43,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:44:43,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:44:43,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:44:43,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:44:43,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:44:43,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:44:43,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:44:43,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:44:43,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:44:43,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:44:43,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:44:43,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:44:43,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:44:43,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-15 12:44:43,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:44:43,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:44:43,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:44:43,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:44:43,231 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:44:43,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.i [2022-02-15 12:44:43,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f763a4cba/e11f35d2f6424a2aa5d26e82ead651af/FLAG31e91cad9 [2022-02-15 12:44:43,755 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:44:43,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.i [2022-02-15 12:44:43,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f763a4cba/e11f35d2f6424a2aa5d26e82ead651af/FLAG31e91cad9 [2022-02-15 12:44:43,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f763a4cba/e11f35d2f6424a2aa5d26e82ead651af [2022-02-15 12:44:43,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:44:43,788 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:44:43,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:44:43,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:44:43,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:44:43,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:44:43" (1/1) ... [2022-02-15 12:44:43,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328c85e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:43, skipping insertion in model container [2022-02-15 12:44:43,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:44:43" (1/1) ... [2022-02-15 12:44:43,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:44:43,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:44:44,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:44:44,156 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:44:44,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:44:44,249 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:44:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44 WrapperNode [2022-02-15 12:44:44,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:44:44,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:44:44,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:44:44,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:44:44,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,303 INFO L137 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-02-15 12:44:44,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:44:44,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:44:44,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:44:44,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:44:44,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:44:44,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:44:44,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:44:44,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:44:44,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (1/1) ... [2022-02-15 12:44:44,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:44:44,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:44:44,372 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 12:44:44,375 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 12:44:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:44:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:44:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 12:44:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:44:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 12:44:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 12:44:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 12:44:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 12:44:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 12:44:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:44:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:44:44,408 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 12:44:44,502 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:44:44,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:44:44,672 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:44:44,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:44:44,677 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 12:44:44,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:44:44 BoogieIcfgContainer [2022-02-15 12:44:44,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:44:44,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:44:44,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:44:44,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:44:44,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:44:43" (1/3) ... [2022-02-15 12:44:44,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1333a66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:44:44, skipping insertion in model container [2022-02-15 12:44:44,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:44:44" (2/3) ... [2022-02-15 12:44:44,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1333a66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:44:44, skipping insertion in model container [2022-02-15 12:44:44,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:44:44" (3/3) ... [2022-02-15 12:44:44,683 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2022-02-15 12:44:44,686 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:44:44,686 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:44:44,686 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-15 12:44:44,686 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:44:44,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,721 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,721 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,724 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,725 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,727 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,730 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,733 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,733 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,733 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,733 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,739 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:44:44,741 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 12:44:44,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:44:44,782 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 12:44:44,783 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-15 12:44:44,795 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 92 transitions, 192 flow [2022-02-15 12:44:44,860 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 774 states, 763 states have (on average 1.9174311926605505) internal successors, (1463), 773 states have internal predecessors, (1463), 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 12:44:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 774 states, 763 states have (on average 1.9174311926605505) internal successors, (1463), 773 states have internal predecessors, (1463), 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 12:44:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-15 12:44:44,869 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:44,870 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] [2022-02-15 12:44:44,870 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:44,873 INFO L85 PathProgramCache]: Analyzing trace with hash -901473782, now seen corresponding path program 1 times [2022-02-15 12:44:44,879 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:44,879 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905066046] [2022-02-15 12:44:44,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:44,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:45,187 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 12:44:45,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:45,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905066046] [2022-02-15 12:44:45,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905066046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:45,188 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:45,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:45,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634192664] [2022-02-15 12:44:45,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:45,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:45,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:45,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:45,223 INFO L87 Difference]: Start difference. First operand has 774 states, 763 states have (on average 1.9174311926605505) internal successors, (1463), 773 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 12:44:45,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:45,556 INFO L93 Difference]: Finished difference Result 872 states and 1652 transitions. [2022-02-15 12:44:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:45,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2022-02-15 12:44:45,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:45,569 INFO L225 Difference]: With dead ends: 872 [2022-02-15 12:44:45,569 INFO L226 Difference]: Without dead ends: 872 [2022-02-15 12:44:45,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:45,572 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 71 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:45,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 333 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-15 12:44:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2022-02-15 12:44:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 824. [2022-02-15 12:44:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 814 states have (on average 1.9152334152334152) internal successors, (1559), 823 states have internal predecessors, (1559), 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 12:44:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1559 transitions. [2022-02-15 12:44:45,639 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1559 transitions. Word has length 40 [2022-02-15 12:44:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:45,639 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1559 transitions. [2022-02-15 12:44:45,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 12:44:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1559 transitions. [2022-02-15 12:44:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-15 12:44:45,641 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:45,641 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] [2022-02-15 12:44:45,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:44:45,642 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:45,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:45,642 INFO L85 PathProgramCache]: Analyzing trace with hash -285264551, now seen corresponding path program 1 times [2022-02-15 12:44:45,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:45,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328024491] [2022-02-15 12:44:45,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:45,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:45,759 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 12:44:45,760 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:45,760 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328024491] [2022-02-15 12:44:45,760 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328024491] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:45,760 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:45,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:45,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64578562] [2022-02-15 12:44:45,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:45,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:45,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:45,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:45,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:45,762 INFO L87 Difference]: Start difference. First operand 824 states and 1559 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 12:44:45,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:45,937 INFO L93 Difference]: Finished difference Result 888 states and 1680 transitions. [2022-02-15 12:44:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:45,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2022-02-15 12:44:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:45,941 INFO L225 Difference]: With dead ends: 888 [2022-02-15 12:44:45,941 INFO L226 Difference]: Without dead ends: 888 [2022-02-15 12:44:45,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:45,948 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 66 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:45,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 258 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 12:44:45,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2022-02-15 12:44:45,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 855. [2022-02-15 12:44:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 845 states have (on average 1.9136094674556212) internal successors, (1617), 854 states have internal predecessors, (1617), 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 12:44:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1617 transitions. [2022-02-15 12:44:45,969 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1617 transitions. Word has length 40 [2022-02-15 12:44:45,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:45,970 INFO L470 AbstractCegarLoop]: Abstraction has 855 states and 1617 transitions. [2022-02-15 12:44:45,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 12:44:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1617 transitions. [2022-02-15 12:44:45,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-15 12:44:45,976 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:45,977 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] [2022-02-15 12:44:45,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:44:45,977 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:45,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1911630747, now seen corresponding path program 1 times [2022-02-15 12:44:45,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:45,978 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102686593] [2022-02-15 12:44:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:45,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:46,094 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 12:44:46,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:46,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102686593] [2022-02-15 12:44:46,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102686593] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:46,095 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:46,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:46,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928731957] [2022-02-15 12:44:46,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:46,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:46,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:46,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:46,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:46,104 INFO L87 Difference]: Start difference. First operand 855 states and 1617 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) [2022-02-15 12:44:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:46,237 INFO L93 Difference]: Finished difference Result 996 states and 1892 transitions. [2022-02-15 12:44:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:46,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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 [2022-02-15 12:44:46,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:46,243 INFO L225 Difference]: With dead ends: 996 [2022-02-15 12:44:46,243 INFO L226 Difference]: Without dead ends: 979 [2022-02-15 12:44:46,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:46,244 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 72 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:46,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 223 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:44:46,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2022-02-15 12:44:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 927. [2022-02-15 12:44:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 917 states have (on average 1.9149400218102508) internal successors, (1756), 926 states have internal predecessors, (1756), 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 12:44:46,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1756 transitions. [2022-02-15 12:44:46,264 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1756 transitions. Word has length 47 [2022-02-15 12:44:46,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:46,264 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1756 transitions. [2022-02-15 12:44:46,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) [2022-02-15 12:44:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1756 transitions. [2022-02-15 12:44:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-15 12:44:46,265 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:46,265 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] [2022-02-15 12:44:46,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 12:44:46,266 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:46,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1795893048, now seen corresponding path program 1 times [2022-02-15 12:44:46,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:46,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899795056] [2022-02-15 12:44:46,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:46,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:44:46,343 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 12:44:46,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:44:46,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899795056] [2022-02-15 12:44:46,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899795056] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:44:46,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:44:46,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:44:46,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827222549] [2022-02-15 12:44:46,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:44:46,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:44:46,344 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:44:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:44:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:46,345 INFO L87 Difference]: Start difference. First operand 927 states and 1756 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) [2022-02-15 12:44:46,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:44:46,488 INFO L93 Difference]: Finished difference Result 1045 states and 1986 transitions. [2022-02-15 12:44:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:44:46,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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 [2022-02-15 12:44:46,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:44:46,492 INFO L225 Difference]: With dead ends: 1045 [2022-02-15 12:44:46,492 INFO L226 Difference]: Without dead ends: 1045 [2022-02-15 12:44:46,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:44:46,493 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 66 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:44:46,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 265 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:44:46,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-02-15 12:44:46,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 995. [2022-02-15 12:44:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 985 states have (on average 1.916751269035533) internal successors, (1888), 994 states have internal predecessors, (1888), 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 12:44:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1888 transitions. [2022-02-15 12:44:46,512 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1888 transitions. Word has length 47 [2022-02-15 12:44:46,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:44:46,513 INFO L470 AbstractCegarLoop]: Abstraction has 995 states and 1888 transitions. [2022-02-15 12:44:46,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 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) [2022-02-15 12:44:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1888 transitions. [2022-02-15 12:44:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-15 12:44:46,514 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:44:46,514 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] [2022-02-15 12:44:46,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 12:44:46,514 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-15 12:44:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:44:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash 576756659, now seen corresponding path program 1 times [2022-02-15 12:44:46,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:44:46,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603612136] [2022-02-15 12:44:46,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:44:46,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:44:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:44:46,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 12:44:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:44:46,573 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 12:44:46,573 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 12:44:46,574 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-15 12:44:46,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-15 12:44:46,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 12:44:46,578 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-15 12:44:46,581 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 12:44:46,582 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 12:44:46,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:44:46 BasicIcfg [2022-02-15 12:44:46,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 12:44:46,610 INFO L158 Benchmark]: Toolchain (without parser) took 2822.36ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 131.0MB in the beginning and 96.8MB in the end (delta: 34.2MB). Peak memory consumption was 72.8MB. Max. memory is 8.0GB. [2022-02-15 12:44:46,610 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 149.3MB in the beginning and 149.2MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:44:46,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.98ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 130.9MB in the beginning and 182.3MB in the end (delta: -51.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-15 12:44:46,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.89ms. Allocated memory is still 222.3MB. Free memory was 182.3MB in the beginning and 179.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 12:44:46,611 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 222.3MB. Free memory was 179.7MB in the beginning and 178.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 12:44:46,611 INFO L158 Benchmark]: RCFGBuilder took 340.01ms. Allocated memory is still 222.3MB. Free memory was 178.1MB in the beginning and 163.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-15 12:44:46,611 INFO L158 Benchmark]: TraceAbstraction took 1930.95ms. Allocated memory is still 222.3MB. Free memory was 162.9MB in the beginning and 96.8MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2022-02-15 12:44:46,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 149.3MB in the beginning and 149.2MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 461.98ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 130.9MB in the beginning and 182.3MB in the end (delta: -51.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.89ms. Allocated memory is still 222.3MB. Free memory was 182.3MB in the beginning and 179.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 222.3MB. Free memory was 179.7MB in the beginning and 178.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 340.01ms. Allocated memory is still 222.3MB. Free memory was 178.1MB in the beginning and 163.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1930.95ms. Allocated memory is still 222.3MB. Free memory was 162.9MB in the beginning and 96.8MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. 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: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal={1:0}] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal={1:0}] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L921] 1 int *p = &myglobal; VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 \read(myglobal) VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal=myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, myglobal=myglobal+1=25, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: myglobal=myglobal+1 [931] and C: *p + 1 [923] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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. - UnprovableResult [Line: 929]: 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: 923]: 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, 119 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 1079 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 600 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 917 IncrementalHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 483 mSDtfsCounter, 917 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=995occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 183 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 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 [2022-02-15 12:44:46,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...