/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 08:02:59,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 08:02:59,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 08:02:59,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 08:02:59,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 08:02:59,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 08:02:59,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 08:02:59,603 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-POR-NewStatesSleep-NoLbe.epf [2022-02-09 08:02:59,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 08:02:59,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 08:02:59,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 08:02:59,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 08:02:59,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 08:02:59,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 08:02:59,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 08:02:59,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 08:02:59,625 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 08:02:59,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 08:02:59,626 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 08:02:59,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 08:02:59,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 08:02:59,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 08:02:59,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 08:02:59,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 08:02:59,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:02:59,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 08:02:59,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 08:02:59,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 08:02:59,629 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 08:02:59,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 08:02:59,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 08:02:59,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 08:02:59,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 08:02:59,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 08:02:59,843 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 08:02:59,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-02-09 08:02:59,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f5480fd/3760db1da927464b9683079d3ed63cda/FLAG0c8d2b527 [2022-02-09 08:03:00,331 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 08:03:00,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-02-09 08:03:00,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f5480fd/3760db1da927464b9683079d3ed63cda/FLAG0c8d2b527 [2022-02-09 08:03:00,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10f5480fd/3760db1da927464b9683079d3ed63cda [2022-02-09 08:03:00,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 08:03:00,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 08:03:00,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 08:03:00,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 08:03:00,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 08:03:00,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 08:03:00" (1/1) ... [2022-02-09 08:03:00,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7075acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:00, skipping insertion in model container [2022-02-09 08:03:00,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 08:03:00" (1/1) ... [2022-02-09 08:03:00,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 08:03:00,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 08:03:01,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 08:03:01,007 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 08:03:01,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 08:03:01,065 INFO L208 MainTranslator]: Completed translation [2022-02-09 08:03:01,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01 WrapperNode [2022-02-09 08:03:01,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 08:03:01,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 08:03:01,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 08:03:01,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 08:03:01,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,116 INFO L137 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-02-09 08:03:01,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 08:03:01,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 08:03:01,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 08:03:01,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 08:03:01,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 08:03:01,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 08:03:01,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 08:03:01,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 08:03:01,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (1/1) ... [2022-02-09 08:03:01,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:03:01,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:03:01,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 08:03:01,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 08:03:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 08:03:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 08:03:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 08:03:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 08:03:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 08:03:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 08:03:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 08:03:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 08:03:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 08:03:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 08:03:01,230 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 08:03:01,347 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 08:03:01,348 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 08:03:01,448 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 08:03:01,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 08:03:01,453 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 08:03:01,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:03:01 BoogieIcfgContainer [2022-02-09 08:03:01,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 08:03:01,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 08:03:01,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 08:03:01,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 08:03:01,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 08:03:00" (1/3) ... [2022-02-09 08:03:01,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b1a5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 08:03:01, skipping insertion in model container [2022-02-09 08:03:01,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 08:03:01" (2/3) ... [2022-02-09 08:03:01,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b1a5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 08:03:01, skipping insertion in model container [2022-02-09 08:03:01,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:03:01" (3/3) ... [2022-02-09 08:03:01,461 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2022-02-09 08:03:01,465 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 08:03:01,465 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 08:03:01,465 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-09 08:03:01,465 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 08:03:01,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,498 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,498 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,498 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,499 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,499 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,500 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,501 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 08:03:01,516 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 08:03:01,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 08:03:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:03:01,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 08:03:01,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 08:03:01,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 08:03:01,594 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 [2022-02-09 08:03:01,594 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 08:03:01,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 08:03:01,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:03:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1232246978, now seen corresponding path program 1 times [2022-02-09 08:03:01,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:03:01,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530612034] [2022-02-09 08:03:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:03:01,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:03:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:03:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 08:03:01,948 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:03:01,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530612034] [2022-02-09 08:03:01,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530612034] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 08:03:01,949 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 08:03:01,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 08:03:01,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669522301] [2022-02-09 08:03:01,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 08:03:01,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 08:03:01,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:03:01,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 08:03:01,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 08:03:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:03:01,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:03:01,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 08:03:01,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:03:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 08:03:02,021 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 08:03:02,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:03:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash -503459018, now seen corresponding path program 1 times [2022-02-09 08:03:02,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:03:02,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291676060] [2022-02-09 08:03:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:03:02,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:03:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:03:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 08:03:02,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:03:02,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291676060] [2022-02-09 08:03:02,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291676060] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 08:03:02,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 08:03:02,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 08:03:02,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718886004] [2022-02-09 08:03:02,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 08:03:02,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 08:03:02,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:03:02,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 08:03:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 08:03:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:03:02,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:03:02,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 08:03:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:03:02,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 08:03:02,197 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 08:03:02,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:03:02,198 INFO L85 PathProgramCache]: Analyzing trace with hash -105560055, now seen corresponding path program 1 times [2022-02-09 08:03:02,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:03:02,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824831228] [2022-02-09 08:03:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:03:02,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:03:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:03:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 08:03:02,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:03:02,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824831228] [2022-02-09 08:03:02,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824831228] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 08:03:02,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 08:03:02,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 08:03:02,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226462681] [2022-02-09 08:03:02,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 08:03:02,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 08:03:02,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:03:02,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 08:03:02,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 08:03:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:03:02,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:03:02,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 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) [2022-02-09 08:03:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:03:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 08:03:02,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 08:03:02,476 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 08:03:02,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:03:02,476 INFO L85 PathProgramCache]: Analyzing trace with hash -519886121, now seen corresponding path program 1 times [2022-02-09 08:03:02,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:03:02,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638690380] [2022-02-09 08:03:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:03:02,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:03:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:03:02,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 08:03:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:03:02,516 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 08:03:02,516 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 08:03:02,517 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-09 08:03:02,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-09 08:03:02,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 08:03:02,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-09 08:03:02,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-09 08:03:02,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-09 08:03:02,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-09 08:03:02,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 08:03:02,525 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 08:03:02,528 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 08:03:02,529 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 08:03:02,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 08:03:02 BasicIcfg [2022-02-09 08:03:02,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 08:03:02,562 INFO L158 Benchmark]: Toolchain (without parser) took 1868.33ms. Allocated memory was 154.1MB in the beginning and 201.3MB in the end (delta: 47.2MB). Free memory was 103.5MB in the beginning and 156.3MB in the end (delta: -52.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:03:02,562 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:03:02,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.40ms. Allocated memory is still 154.1MB. Free memory was 103.3MB in the beginning and 122.7MB in the end (delta: -19.4MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-02-09 08:03:02,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 154.1MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 08:03:02,563 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 154.1MB. Free memory was 120.7MB in the beginning and 119.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 08:03:02,564 INFO L158 Benchmark]: RCFGBuilder took 309.30ms. Allocated memory is still 154.1MB. Free memory was 119.1MB in the beginning and 107.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 08:03:02,564 INFO L158 Benchmark]: TraceAbstraction took 1106.16ms. Allocated memory was 154.1MB in the beginning and 201.3MB in the end (delta: 47.2MB). Free memory was 106.5MB in the beginning and 156.3MB in the end (delta: -49.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:03:02,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 371.40ms. Allocated memory is still 154.1MB. Free memory was 103.3MB in the beginning and 122.7MB in the end (delta: -19.4MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 154.1MB. Free memory was 122.7MB in the beginning and 120.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.02ms. Allocated memory is still 154.1MB. Free memory was 120.7MB in the beginning and 119.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 309.30ms. Allocated memory is still 154.1MB. Free memory was 119.1MB in the beginning and 107.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1106.16ms. Allocated memory was 154.1MB in the beginning and 201.3MB in the end (delta: 47.2MB). Free memory was 106.5MB in the beginning and 156.3MB in the end (delta: -49.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 241, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 222, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 222, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 224, positive: 220, positive conditional: 170, positive unconditional: 50, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 224, positive: 220, positive conditional: 140, positive unconditional: 80, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 224, positive: 220, positive conditional: 140, positive unconditional: 80, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 170, positive: 166, positive conditional: 111, positive unconditional: 55, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 170, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 41, negative conditional: 37, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 224, positive: 54, positive conditional: 29, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 170, unknown conditional: 113, unknown unconditional: 57] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 166, Positive conditional cache size: 111, Positive unconditional cache size: 55, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 19 - 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: 690]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id; VAL [data={1:0}, id={5:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L690] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}] [L690] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=9, id={5:0}] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x=0, data.x++=9, data.x++=0, id={5:0}] 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.x++ [690] * C: data.x++ [684] * C: data.x++ [690] * C: data.x++ [690] * C: data.x++ [690] and C: data.x++ [690] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: 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: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: 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, 92 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-09 08:03:02,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 08:03:02,837 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...