/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-Lazy-NoForkJoinOpt-wrwc.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/05-lval_ls_13-idxunknown_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 22:25:04,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 22:25:04,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 22:25:04,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 22:25:04,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 22:25:04,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 22:25:04,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 22:25:04,630 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-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-01 22:25:04,661 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 22:25:04,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 22:25:04,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 22:25:04,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 22:25:04,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 22:25:04,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 22:25:04,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 22:25:04,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 22:25:04,664 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 22:25:04,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 22:25:04,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 22:25:04,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 22:25:04,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 22:25:04,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 22:25:04,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 22:25:04,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 22:25:04,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 22:25:04,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 22:25:04,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 22:25:04,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 22:25:04,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 22:25:04,668 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 22:25:04,669 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 22:25:04,669 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 22:25:04,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 22:25:04,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 22:25:04,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 22:25:04,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 22:25:04,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 22:25:04,910 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 22:25:04,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_13-idxunknown_lock.i [2022-03-01 22:25:04,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a2e1be6/e7bc4d05812b4566b80a4a369676d078/FLAG2d215b388 [2022-03-01 22:25:05,481 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 22:25:05,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_13-idxunknown_lock.i [2022-03-01 22:25:05,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a2e1be6/e7bc4d05812b4566b80a4a369676d078/FLAG2d215b388 [2022-03-01 22:25:06,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46a2e1be6/e7bc4d05812b4566b80a4a369676d078 [2022-03-01 22:25:06,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 22:25:06,014 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 22:25:06,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 22:25:06,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 22:25:06,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 22:25:06,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ba8829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06, skipping insertion in model container [2022-03-01 22:25:06,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 22:25:06,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 22:25:06,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 22:25:06,356 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 22:25:06,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 22:25:06,411 INFO L208 MainTranslator]: Completed translation [2022-03-01 22:25:06,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06 WrapperNode [2022-03-01 22:25:06,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 22:25:06,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 22:25:06,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 22:25:06,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 22:25:06,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,463 INFO L137 Inliner]: procedures = 164, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-03-01 22:25:06,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 22:25:06,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 22:25:06,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 22:25:06,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 22:25:06,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 22:25:06,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 22:25:06,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 22:25:06,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 22:25:06,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (1/1) ... [2022-03-01 22:25:06,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 22:25:06,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:06,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 22:25:06,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 22:25:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 22:25:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 22:25:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 22:25:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 22:25:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 22:25:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 22:25:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 22:25:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 22:25:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 22:25:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 22:25:06,604 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 22:25:06,740 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 22:25:06,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 22:25:06,975 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 22:25:06,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 22:25:06,982 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 22:25:06,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 10:25:06 BoogieIcfgContainer [2022-03-01 22:25:06,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 22:25:06,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 22:25:06,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 22:25:06,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 22:25:06,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 10:25:06" (1/3) ... [2022-03-01 22:25:06,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f760fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 10:25:06, skipping insertion in model container [2022-03-01 22:25:06,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:25:06" (2/3) ... [2022-03-01 22:25:06,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f760fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 10:25:06, skipping insertion in model container [2022-03-01 22:25:06,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 10:25:06" (3/3) ... [2022-03-01 22:25:06,990 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_13-idxunknown_lock.i [2022-03-01 22:25:06,993 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 22:25:06,993 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 22:25:06,994 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-01 22:25:06,994 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 22:25:07,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,022 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,022 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,023 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,023 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,032 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,033 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:25:07,034 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 22:25:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 22:25:07,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:07,075 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) [2022-03-01 22:25:07,076 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 [2022-03-01 22:25:07,119 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 22:25:07,129 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=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-01 22:25:07,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-01 22:25:07,204 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 55 transitions and produced 56 states. [2022-03-01 22:25:07,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:07,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:07,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1880667878, now seen corresponding path program 1 times [2022-03-01 22:25:07,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:07,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991983250] [2022-03-01 22:25:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:07,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:07,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:07,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991983250] [2022-03-01 22:25:07,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991983250] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:25:07,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:25:07,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:25:07,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087112739] [2022-03-01 22:25:07,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:25:07,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 22:25:07,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:07,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 22:25:07,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 22:25:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:07,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:07,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,425 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 55 transitions and produced 56 states. [2022-03-01 22:25:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 22:25:07,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:07,430 INFO L85 PathProgramCache]: Analyzing trace with hash -874479179, now seen corresponding path program 1 times [2022-03-01 22:25:07,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:07,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239775308] [2022-03-01 22:25:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:07,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:07,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239775308] [2022-03-01 22:25:07,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239775308] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:25:07,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:25:07,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 22:25:07,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701429796] [2022-03-01 22:25:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:25:07,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:25:07,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:25:07,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:25:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:07,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 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) [2022-03-01 22:25:07,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,535 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62 transitions and produced 63 states. [2022-03-01 22:25:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:07,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 22:25:07,536 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:07,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:07,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1921393856, now seen corresponding path program 1 times [2022-03-01 22:25:07,537 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:07,537 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105218780] [2022-03-01 22:25:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:07,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:07,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:07,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105218780] [2022-03-01 22:25:07,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105218780] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 22:25:07,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852269352] [2022-03-01 22:25:07,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:07,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:07,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 22:25:07,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 22:25:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:07,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 22:25:07,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 22:25:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:07,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 22:25:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:07,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852269352] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 22:25:07,991 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 22:25:07,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 22:25:07,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912174989] [2022-03-01 22:25:07,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 22:25:07,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 22:25:07,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:07,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 22:25:07,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 22:25:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,993 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:07,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:07,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:08,310 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 76 transitions and produced 77 states. [2022-03-01 22:25:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:08,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-01 22:25:08,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-01 22:25:08,525 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:08,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1011007008, now seen corresponding path program 2 times [2022-03-01 22:25:08,526 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:08,526 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672932115] [2022-03-01 22:25:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:08,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:08,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:08,680 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672932115] [2022-03-01 22:25:08,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672932115] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 22:25:08,680 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550971695] [2022-03-01 22:25:08,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 22:25:08,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:08,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 22:25:08,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 22:25:08,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 22:25:08,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 22:25:08,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 22:25:08,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 22:25:08,937 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-01 22:25:08,972 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-01 22:25:08,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-03-01 22:25:09,029 INFO L353 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-03-01 22:25:09,030 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2022-03-01 22:25:09,096 INFO L353 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-03-01 22:25:09,097 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2022-03-01 22:25:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-01 22:25:09,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 22:25:09,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550971695] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:25:09,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 22:25:09,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-01 22:25:09,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807556898] [2022-03-01 22:25:09,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:25:09,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 22:25:09,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:09,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 22:25:09,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-01 22:25:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:09,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:09,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:09,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:09,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:09,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:09,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:09,450 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 93 states. [2022-03-01 22:25:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:09,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 22:25:09,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:09,676 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:09,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1241701045, now seen corresponding path program 1 times [2022-03-01 22:25:09,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:09,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123223630] [2022-03-01 22:25:09,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:09,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:09,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:09,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123223630] [2022-03-01 22:25:09,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123223630] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 22:25:09,816 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928274314] [2022-03-01 22:25:09,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:09,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:09,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:09,818 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 22:25:09,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 22:25:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:09,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-01 22:25:09,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 22:25:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:10,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 22:25:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:10,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928274314] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 22:25:10,151 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 22:25:10,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-01 22:25:10,152 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475902950] [2022-03-01 22:25:10,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 22:25:10,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-01 22:25:10,152 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:10,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-01 22:25:10,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-01 22:25:10,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:10,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:10,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.722222222222222) internal successors, (85), 18 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:10,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:10,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:10,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:10,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:10,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:10,397 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 121 transitions and produced 116 states. [2022-03-01 22:25:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:10,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-01 22:25:10,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:10,611 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:10,615 INFO L85 PathProgramCache]: Analyzing trace with hash 2104433909, now seen corresponding path program 2 times [2022-03-01 22:25:10,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:10,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61237469] [2022-03-01 22:25:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:10,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:10,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:10,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61237469] [2022-03-01 22:25:10,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61237469] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 22:25:10,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093469421] [2022-03-01 22:25:10,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 22:25:10,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:10,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 22:25:10,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 22:25:10,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-01 22:25:10,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 22:25:10,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-01 22:25:10,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 22:25:10,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-01 22:25:10,992 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-01 22:25:10,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-03-01 22:25:11,022 INFO L353 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-03-01 22:25:11,023 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2022-03-01 22:25:11,064 INFO L353 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-03-01 22:25:11,065 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2022-03-01 22:25:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-01 22:25:11,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 22:25:11,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093469421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:25:11,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 22:25:11,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-03-01 22:25:11,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635818991] [2022-03-01 22:25:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:25:11,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 22:25:11,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 22:25:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-01 22:25:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:11,088 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:11,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:11,518 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 158 transitions and produced 153 states. [2022-03-01 22:25:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:11,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 22:25:11,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:11,728 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:11,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1422763347, now seen corresponding path program 1 times [2022-03-01 22:25:11,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:11,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218480854] [2022-03-01 22:25:11,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:11,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:11,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218480854] [2022-03-01 22:25:11,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218480854] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 22:25:11,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104225474] [2022-03-01 22:25:11,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:11,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:11,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:25:11,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 22:25:11,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 22:25:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:12,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-01 22:25:12,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 22:25:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:12,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 22:25:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:25:12,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104225474] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 22:25:12,369 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 22:25:12,369 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-01 22:25:12,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838419740] [2022-03-01 22:25:12,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 22:25:12,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-01 22:25:12,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:12,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-01 22:25:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-01 22:25:12,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:12,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:12,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.521739130434782) internal successors, (127), 23 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:12,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:12,972 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 179 transitions and produced 169 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 22:25:12,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-01 22:25:13,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 22:25:13,188 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:13,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1557542552, now seen corresponding path program 2 times [2022-03-01 22:25:13,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:13,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904785449] [2022-03-01 22:25:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:13,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:25:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-01 22:25:13,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:25:13,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904785449] [2022-03-01 22:25:13,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904785449] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:25:13,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:25:13,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 22:25:13,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907200953] [2022-03-01 22:25:13,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:25:13,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 22:25:13,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:25:13,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 22:25:13,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 22:25:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:13,339 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:25:13,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-01 22:25:13,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:16,158 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 726 transitions and produced 465 states. [2022-03-01 22:25:16,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:25:16,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:25:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 22:25:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-01 22:25:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-01 22:25:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:25:16,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 22:25:16,160 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-01 22:25:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:25:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1736244781, now seen corresponding path program 1 times [2022-03-01 22:25:16,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:25:16,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034453088] [2022-03-01 22:25:16,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:25:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:25:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 22:25:16,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 22:25:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 22:25:16,240 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 22:25:16,240 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 22:25:16,241 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-01 22:25:16,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-01 22:25:16,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-01 22:25:16,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-01 22:25:16,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-01 22:25:16,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-01 22:25:16,244 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-01 22:25:16,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 22:25:16,249 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1] [2022-03-01 22:25:16,253 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 22:25:16,253 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 22:25:16,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 10:25:16 BasicIcfg [2022-03-01 22:25:16,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 22:25:16,291 INFO L158 Benchmark]: Toolchain (without parser) took 10276.60ms. Allocated memory was 184.5MB in the beginning and 838.9MB in the end (delta: 654.3MB). Free memory was 133.7MB in the beginning and 367.8MB in the end (delta: -234.1MB). Peak memory consumption was 421.2MB. Max. memory is 8.0GB. [2022-03-01 22:25:16,291 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 151.5MB in the end (delta: 89.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 22:25:16,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.69ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 153.9MB in the end (delta: -20.4MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-01 22:25:16,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.82ms. Allocated memory is still 184.5MB. Free memory was 153.9MB in the beginning and 151.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 22:25:16,292 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 22:25:16,292 INFO L158 Benchmark]: RCFGBuilder took 465.02ms. Allocated memory is still 184.5MB. Free memory was 150.3MB in the beginning and 135.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-01 22:25:16,292 INFO L158 Benchmark]: TraceAbstraction took 9305.77ms. Allocated memory was 184.5MB in the beginning and 838.9MB in the end (delta: 654.3MB). Free memory was 135.6MB in the beginning and 367.8MB in the end (delta: -232.2MB). Peak memory consumption was 421.6MB. Max. memory is 8.0GB. [2022-03-01 22:25:16,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 151.5MB in the end (delta: 89.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.69ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 153.9MB in the end (delta: -20.4MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.82ms. Allocated memory is still 184.5MB. Free memory was 153.9MB in the beginning and 151.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 465.02ms. Allocated memory is still 184.5MB. Free memory was 150.3MB in the beginning and 135.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 9305.77ms. Allocated memory was 184.5MB in the beginning and 838.9MB in the end (delta: 654.3MB). Free memory was 135.6MB in the beginning and 367.8MB in the end (delta: -232.2MB). Peak memory consumption was 421.6MB. 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: 700]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L685] 0 pthread_mutex_t m[10]; VAL [data={1:0}, m={2:0}] [L693] 0 int i = 0; VAL [data={1:0}, i=0, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=0, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=1, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=1, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=2, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=2, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=3, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=3, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=4, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=4, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=5, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=5, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=6, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=6, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=7, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=7, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=8, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=8, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=9, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=9, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=10, m={2:0}] [L693] COND FALSE 0 !(i < 10) VAL [data={1:0}, i=10, m={2:0}] [L695] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, data={1:0}, i=0, i=10, m={2:0}] [L696] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}, m={2:0}] [L696] RET 0 assume_abort_if_not(0 <= i && i < 10) [L697] 0 pthread_t id; VAL [data={1:0}, i=10, i=0, id={3:0}, m={2:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=10, i=0, id={3:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L700] EXPR 0 data[4] VAL [arg={0:0}, data={1:0}, data[4]=0, i=10, i=0, id={3:0}, m={2:0}] [L700] 0 data[4]++ VAL [arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=241, i=10, i=0, id={3:0}, m={2:0}] [L688] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, m={2:0}] [L688] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, m={2:0}] [L700] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, data[4]=0, data[4]++=0, data[4]++=241, i=10, i=0, id={3:0}, m={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data[4]++ [700] * C: data[4]++ [700] * C: data[4]++ [700] * C: data[4]++ [688] * C: data[4]++ [700] and C: data[4]++ [700] - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: 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: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: 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, 7 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 83, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1021 NumberOfCodeBlocks, 971 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1120 ConstructedInterpolants, 0 QuantifiedInterpolants, 1841 SizeOfPredicates, 22 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 365/888 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 22:25:16,358 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 [2022-03-01 22:25:16,573 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...