/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-MCRwithDepranks.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_25-single_acc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 17:59:44,809 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-02-09 17:59:44,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 17:59:44,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 17:59:44,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 17:59:44,908 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-MCRwithDepranks.epf [2022-02-09 17:59:44,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 17:59:44,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 17:59:44,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 17:59:44,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 17:59:44,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 17:59:44,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 17:59:44,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 17:59:44,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 17:59:44,939 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 17:59:44,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 17:59:44,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 17:59:44,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 17:59:44,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 17:59:44,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 17:59:44,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 17:59:44,943 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 17:59:44,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 17:59:45,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 17:59:45,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 17:59:45,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 17:59:45,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 17:59:45,179 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 17:59:45,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i [2022-02-09 17:59:45,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c4ba321/cc433f32d3754898b20dae0d891bedb6/FLAG6c207c7f8 [2022-02-09 17:59:45,646 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 17:59:45,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_25-single_acc.i [2022-02-09 17:59:45,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c4ba321/cc433f32d3754898b20dae0d891bedb6/FLAG6c207c7f8 [2022-02-09 17:59:45,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c4ba321/cc433f32d3754898b20dae0d891bedb6 [2022-02-09 17:59:45,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 17:59:45,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 17:59:45,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 17:59:45,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 17:59:45,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 17:59:45,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:59:45" (1/1) ... [2022-02-09 17:59:45,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd85c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:45, skipping insertion in model container [2022-02-09 17:59:45,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:59:45" (1/1) ... [2022-02-09 17:59:45,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 17:59:45,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 17:59:46,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 17:59:46,024 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 17:59:46,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 17:59:46,102 INFO L208 MainTranslator]: Completed translation [2022-02-09 17:59:46,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46 WrapperNode [2022-02-09 17:59:46,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 17:59:46,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 17:59:46,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 17:59:46,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 17:59:46,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,148 INFO L137 Inliner]: procedures = 159, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-02-09 17:59:46,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 17:59:46,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 17:59:46,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 17:59:46,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 17:59:46,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 17:59:46,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 17:59:46,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 17:59:46,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 17:59:46,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (1/1) ... [2022-02-09 17:59:46,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 17:59:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:59:46,213 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) [2022-02-09 17:59:46,239 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 [2022-02-09 17:59:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 17:59:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 17:59:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 17:59:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 17:59:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 17:59:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 17:59:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 17:59:46,269 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 17:59:46,379 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 17:59:46,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 17:59:46,497 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 17:59:46,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 17:59:46,502 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 17:59:46,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:59:46 BoogieIcfgContainer [2022-02-09 17:59:46,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 17:59:46,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 17:59:46,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 17:59:46,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 17:59:46,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 05:59:45" (1/3) ... [2022-02-09 17:59:46,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b040879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:59:46, skipping insertion in model container [2022-02-09 17:59:46,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:46" (2/3) ... [2022-02-09 17:59:46,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b040879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:59:46, skipping insertion in model container [2022-02-09 17:59:46,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:59:46" (3/3) ... [2022-02-09 17:59:46,510 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_25-single_acc.i [2022-02-09 17:59:46,514 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 17:59:46,514 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 17:59:46,514 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-09 17:59:46,514 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 17:59:46,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,559 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,560 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,560 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,566 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,566 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,573 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,573 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:46,585 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 17:59:46,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 17:59:46,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:59:46,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 17:59:46,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 17:59:46,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 17:59:46,677 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=PARTIAL_ORDER_FA, 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 [2022-02-09 17:59:46,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-09 17:59:46,686 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 61 transitions, 132 flow [2022-02-09 17:59:46,801 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2305 states, 2297 states have (on average 2.7248585111014365) internal successors, (6259), 2304 states have internal predecessors, (6259), 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) [2022-02-09 17:59:46,818 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32 transitions and produced 33 states. [2022-02-09 17:59:46,820 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-02-09 17:59:46,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash 871267609, now seen corresponding path program 1 times [2022-02-09 17:59:46,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:46,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489064995] [2022-02-09 17:59:46,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:46,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:47,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:47,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489064995] [2022-02-09 17:59:47,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489064995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:47,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:47,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:47,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926881523] [2022-02-09 17:59:47,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:47,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:59:47,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:47,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:59:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:59:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:47,059 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:47,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-02-09 17:59:47,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:47,086 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 43 transitions and produced 44 states. [2022-02-09 17:59:47,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 17:59:47,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-02-09 17:59:47,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:47,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1858608042, now seen corresponding path program 1 times [2022-02-09 17:59:47,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:47,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342338329] [2022-02-09 17:59:47,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:47,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:47,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:47,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342338329] [2022-02-09 17:59:47,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342338329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:47,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:47,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:47,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399194652] [2022-02-09 17:59:47,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:47,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:59:47,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:47,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:59:47,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:59:47,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:47,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:47,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-02-09 17:59:47,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:47,215 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states. [2022-02-09 17:59:47,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 17:59:47,216 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-02-09 17:59:47,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1401974771, now seen corresponding path program 1 times [2022-02-09 17:59:47,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:47,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452773138] [2022-02-09 17:59:47,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:47,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:47,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:47,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452773138] [2022-02-09 17:59:47,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452773138] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:47,286 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:47,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:47,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425125591] [2022-02-09 17:59:47,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:47,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:59:47,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:59:47,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:59:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:47,288 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:47,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-02-09 17:59:47,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:47,422 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1374 transitions and produced 649 states. [2022-02-09 17:59:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:47,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 17:59:47,424 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2022-02-09 17:59:47,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:47,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1957912741, now seen corresponding path program 1 times [2022-02-09 17:59:47,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:47,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377880390] [2022-02-09 17:59:47,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:47,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:59:47,470 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 17:59:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:59:47,507 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 17:59:47,508 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 17:59:47,509 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-09 17:59:47,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 8 remaining) [2022-02-09 17:59:47,510 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (5 of 8 remaining) [2022-02-09 17:59:47,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-02-09 17:59:47,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-09 17:59:47,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-09 17:59:47,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-09 17:59:47,511 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-09 17:59:47,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 17:59:47,517 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 17:59:47,521 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 17:59:47,521 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 17:59:47,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 05:59:47 BasicIcfg [2022-02-09 17:59:47,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 17:59:47,561 INFO L158 Benchmark]: Toolchain (without parser) took 1886.00ms. Allocated memory is still 195.0MB. Free memory was 142.8MB in the beginning and 68.5MB in the end (delta: 74.2MB). Peak memory consumption was 74.2MB. Max. memory is 8.0GB. [2022-02-09 17:59:47,562 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 195.0MB. Free memory was 160.7MB in the beginning and 160.6MB in the end (delta: 74.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 17:59:47,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.15ms. Allocated memory is still 195.0MB. Free memory was 142.6MB in the beginning and 162.9MB in the end (delta: -20.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 17:59:47,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.48ms. Allocated memory is still 195.0MB. Free memory was 162.9MB in the beginning and 161.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 17:59:47,567 INFO L158 Benchmark]: Boogie Preprocessor took 27.58ms. Allocated memory is still 195.0MB. Free memory was 161.3MB in the beginning and 160.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 17:59:47,569 INFO L158 Benchmark]: RCFGBuilder took 326.35ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 149.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 17:59:47,570 INFO L158 Benchmark]: TraceAbstraction took 1054.98ms. Allocated memory is still 195.0MB. Free memory was 148.8MB in the beginning and 68.5MB in the end (delta: 80.2MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2022-02-09 17:59:47,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 195.0MB. Free memory was 160.7MB in the beginning and 160.6MB in the end (delta: 74.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.15ms. Allocated memory is still 195.0MB. Free memory was 142.6MB in the beginning and 162.9MB in the end (delta: -20.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.48ms. Allocated memory is still 195.0MB. Free memory was 162.9MB in the beginning and 161.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.58ms. Allocated memory is still 195.0MB. Free memory was 161.3MB in the beginning and 160.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 326.35ms. Allocated memory is still 195.0MB. Free memory was 160.3MB in the beginning and 149.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1054.98ms. Allocated memory is still 195.0MB. Free memory was 148.8MB in the beginning and 68.5MB in the end (delta: 80.2MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 681]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int x; VAL [x=0] [L685] 0 pthread_t id1, id2; VAL [id1={3:0}, id2={2:0}, x=0] [L686] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id1={3:0}, id2={2:0}, pthread_create(&id1, ((void *)0), t_fun, ((void *)0))=-1, x=0] [L681] 1 x++ VAL [arg={0:0}, arg={0:0}, x=1, x++=0x++=6] [L687] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, id1={3:0}, id2={2:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=0, x=1, x++=0x++=6] [L688] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, id1={3:0}, id2={2:0}, x=1, x++=0x++=6] [L688] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, id2={2:0}, x=1, x++=0x++=6] [L688] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, x=1, x++=0x++=6] [L681] 2 x++ VAL [arg={0:0}, arg={0:0}, x=2, x++=0x++=6] [L682] 2 return ((void *)0); VAL [\result={0:0}, arg={0:0}, arg={0:0}, x=2, x++=0x++=6] [L681] 1 x++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, x=2, x++=0x++=6] Now there is a data race on ~x~0 between C: x++ [681] and C: x++ [681] - UnprovableResult [Line: 686]: 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: 687]: 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: 681]: 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 4 procedures, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2305occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-02-09 17:59:47,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-09 17:59:47,867 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...