/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_05-glob_idx_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 05:12:34,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 05:12:34,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 05:12:34,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 05:12:34,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 05:12:34,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 05:12:34,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 05:12:34,347 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 [2022-03-16 05:12:34,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 05:12:34,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 05:12:34,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 05:12:34,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 05:12:34,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 05:12:34,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 05:12:34,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 05:12:34,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 05:12:34,373 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 05:12:34,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 05:12:34,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 05:12:34,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 05:12:34,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 05:12:34,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 05:12:34,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 05:12:34,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 05:12:34,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 05:12:34,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 05:12:34,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 05:12:34,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 05:12:34,377 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 05:12:34,377 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 05:12:34,377 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 05:12:34,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-16 05:12:34,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 05:12:34,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 05:12:34,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 05:12:34,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 05:12:34,598 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 05:12:34,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-03-16 05:12:34,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9b66e09/c3c6d49b1c0f443bb6c119f0e8216115/FLAG1dcaff685 [2022-03-16 05:12:35,005 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 05:12:35,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-03-16 05:12:35,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9b66e09/c3c6d49b1c0f443bb6c119f0e8216115/FLAG1dcaff685 [2022-03-16 05:12:35,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9b66e09/c3c6d49b1c0f443bb6c119f0e8216115 [2022-03-16 05:12:35,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 05:12:35,408 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 05:12:35,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 05:12:35,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 05:12:35,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 05:12:35,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71edda0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35, skipping insertion in model container [2022-03-16 05:12:35,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 05:12:35,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 05:12:35,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 05:12:35,773 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 05:12:35,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 05:12:35,871 INFO L208 MainTranslator]: Completed translation [2022-03-16 05:12:35,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35 WrapperNode [2022-03-16 05:12:35,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 05:12:35,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 05:12:35,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 05:12:35,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 05:12:35,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,928 INFO L137 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-03-16 05:12:35,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 05:12:35,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 05:12:35,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 05:12:35,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 05:12:35,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 05:12:35,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 05:12:35,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 05:12:35,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 05:12:35,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (1/1) ... [2022-03-16 05:12:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 05:12:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 05:12:36,013 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) [2022-03-16 05:12:36,035 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 [2022-03-16 05:12:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 05:12:36,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 05:12:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 05:12:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 05:12:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-16 05:12:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-16 05:12:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 05:12:36,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 05:12:36,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 05:12:36,057 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 05:12:36,183 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 05:12:36,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 05:12:36,342 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 05:12:36,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 05:12:36,348 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 05:12:36,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 05:12:36 BoogieIcfgContainer [2022-03-16 05:12:36,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 05:12:36,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 05:12:36,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 05:12:36,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 05:12:36,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 05:12:35" (1/3) ... [2022-03-16 05:12:36,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d942e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 05:12:36, skipping insertion in model container [2022-03-16 05:12:36,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 05:12:35" (2/3) ... [2022-03-16 05:12:36,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d942e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 05:12:36, skipping insertion in model container [2022-03-16 05:12:36,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 05:12:36" (3/3) ... [2022-03-16 05:12:36,356 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2022-03-16 05:12:36,360 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 05:12:36,360 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 05:12:36,360 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-16 05:12:36,360 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 05:12:36,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,385 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,386 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,386 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,386 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,392 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,398 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,399 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 05:12:36,400 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 05:12:36,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 05:12:36,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 05:12:36,440 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) [2022-03-16 05:12:36,441 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 [2022-03-16 05:12:36,462 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 05:12:36,467 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 [2022-03-16 05:12:36,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-16 05:12:36,554 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 33 transitions and produced 34 states. [2022-03-16 05:12:36,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-16 05:12:36,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 05:12:36,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1082527263, now seen corresponding path program 1 times [2022-03-16 05:12:36,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 05:12:36,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790015757] [2022-03-16 05:12:36,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 05:12:36,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 05:12:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 05:12:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 05:12:36,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 05:12:36,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790015757] [2022-03-16 05:12:36,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790015757] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 05:12:36,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 05:12:36,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 05:12:36,911 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80758339] [2022-03-16 05:12:36,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 05:12:36,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 05:12:36,915 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 05:12:36,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 05:12:36,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-16 05:12:36,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 05:12:36,932 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 05:12:36,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2022-03-16 05:12:36,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 05:12:37,109 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 50 transitions and produced 51 states. [2022-03-16 05:12:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:37,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 05:12:37,112 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-16 05:12:37,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 05:12:37,114 INFO L85 PathProgramCache]: Analyzing trace with hash -804616287, now seen corresponding path program 1 times [2022-03-16 05:12:37,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 05:12:37,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095311960] [2022-03-16 05:12:37,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 05:12:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 05:12:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 05:12:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 05:12:37,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 05:12:37,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095311960] [2022-03-16 05:12:37,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095311960] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 05:12:37,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 05:12:37,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 05:12:37,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051033000] [2022-03-16 05:12:37,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 05:12:37,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 05:12:37,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 05:12:37,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 05:12:37,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-16 05:12:37,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 05:12:37,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 05:12:37,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2022-03-16 05:12:37,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:37,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 05:12:37,634 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 84 transitions and produced 85 states. [2022-03-16 05:12:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:37,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 05:12:37,636 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-16 05:12:37,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 05:12:37,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1785321918, now seen corresponding path program 1 times [2022-03-16 05:12:37,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 05:12:37,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391194921] [2022-03-16 05:12:37,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 05:12:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 05:12:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 05:12:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 05:12:37,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 05:12:37,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391194921] [2022-03-16 05:12:37,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391194921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 05:12:37,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 05:12:37,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 05:12:37,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916690097] [2022-03-16 05:12:37,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 05:12:37,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 05:12:37,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 05:12:37,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 05:12:37,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-16 05:12:37,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 05:12:37,885 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 05:12:37,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2022-03-16 05:12:37,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:37,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:37,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 05:12:38,662 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 354 transitions and produced 225 states. [2022-03-16 05:12:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 05:12:38,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 05:12:38,664 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-16 05:12:38,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 05:12:38,664 INFO L85 PathProgramCache]: Analyzing trace with hash -109973552, now seen corresponding path program 1 times [2022-03-16 05:12:38,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 05:12:38,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746261318] [2022-03-16 05:12:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 05:12:38,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 05:12:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 05:12:38,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 05:12:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 05:12:38,714 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 05:12:38,717 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 05:12:38,718 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-16 05:12:38,720 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-16 05:12:38,720 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-16 05:12:38,720 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-16 05:12:38,720 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-16 05:12:38,721 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-16 05:12:38,721 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-16 05:12:38,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 05:12:38,726 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-16 05:12:38,730 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 05:12:38,731 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 05:12:38,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 05:12:38 BasicIcfg [2022-03-16 05:12:38,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 05:12:38,774 INFO L158 Benchmark]: Toolchain (without parser) took 3363.87ms. Allocated memory was 205.5MB in the beginning and 330.3MB in the end (delta: 124.8MB). Free memory was 156.0MB in the beginning and 167.6MB in the end (delta: -11.6MB). Peak memory consumption was 113.9MB. Max. memory is 8.0GB. [2022-03-16 05:12:38,774 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 205.5MB. Free memory is still 174.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 05:12:38,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.25ms. Allocated memory is still 205.5MB. Free memory was 155.8MB in the beginning and 176.6MB in the end (delta: -20.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 05:12:38,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.63ms. Allocated memory is still 205.5MB. Free memory was 176.6MB in the beginning and 174.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 05:12:38,775 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 205.5MB. Free memory was 174.6MB in the beginning and 173.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 05:12:38,775 INFO L158 Benchmark]: RCFGBuilder took 384.09ms. Allocated memory is still 205.5MB. Free memory was 173.1MB in the beginning and 160.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-16 05:12:38,775 INFO L158 Benchmark]: TraceAbstraction took 2420.27ms. Allocated memory was 205.5MB in the beginning and 330.3MB in the end (delta: 124.8MB). Free memory was 160.0MB in the beginning and 167.6MB in the end (delta: -7.6MB). Peak memory consumption was 118.2MB. Max. memory is 8.0GB. [2022-03-16 05:12:38,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 205.5MB. Free memory is still 174.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.25ms. Allocated memory is still 205.5MB. Free memory was 155.8MB in the beginning and 176.6MB in the end (delta: -20.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.63ms. Allocated memory is still 205.5MB. Free memory was 176.6MB in the beginning and 174.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 205.5MB. Free memory was 174.6MB in the beginning and 173.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 384.09ms. Allocated memory is still 205.5MB. Free memory was 173.1MB in the beginning and 160.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2420.27ms. Allocated memory was 205.5MB in the beginning and 330.3MB in the end (delta: 124.8MB). Free memory was 160.0MB in the beginning and 167.6MB in the end (delta: -7.6MB). Peak memory consumption was 118.2MB. 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: 687]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L685] 0 pthread_t id; VAL [data={1:0}, id={2:0}] [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] EXPR 0 data[4] VAL [arg={0:0}, data={1:0}, data[4]=0, id={2:0}] [L687] 0 data[4]++ VAL [arg={0:0}, data={1:0}, data[4]=0, data[4]++=41, data[4]++=0, id={2:0}] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, data[4]=0, data[4]++=41, data[4]++=0, id={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]++ [687] * C: data[4]++ [687] * C: data[4]++ [687] * C: data[4]++ [687] * C: data[4]++ [681] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 91 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.4s, 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, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 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 [2022-03-16 05:12:38,831 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 [2022-03-16 05:12:39,036 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...