/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.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_11-fldsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 09:41:18,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 09:41:18,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 09:41:18,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 09:41:18,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 09:41:18,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 09:41:18,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 09:41:18,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 09:41:18,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 09:41:18,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 09:41:18,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 09:41:18,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 09:41:18,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 09:41:18,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 09:41:18,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 09:41:18,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 09:41:18,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 09:41:18,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 09:41:18,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 09:41:18,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 09:41:18,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 09:41:18,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 09:41:18,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 09:41:18,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 09:41:18,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 09:41:18,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 09:41:18,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 09:41:18,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 09:41:18,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 09:41:18,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 09:41:18,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 09:41:18,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 09:41:18,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 09:41:18,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 09:41:18,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 09:41:18,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 09:41:18,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 09:41:18,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 09:41:18,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 09:41:18,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 09:41:18,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 09:41:18,667 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.epf [2022-02-16 09:41:18,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 09:41:18,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 09:41:18,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 09:41:18,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 09:41:18,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 09:41:18,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 09:41:18,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 09:41:18,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 09:41:18,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 09:41:18,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 09:41:18,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 09:41:18,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 09:41:18,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 09:41:18,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 09:41:18,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 09:41:18,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 09:41:18,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 09:41:18,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 09:41:18,700 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 09:41:18,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-16 09:41:18,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 09:41:18,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 09:41:18,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 09:41:18,885 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 09:41:18,887 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 09:41:18,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-16 09:41:18,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fbd9929/4c4014a0bc364b9c8ce2eef38335c7a0/FLAG009b73a7b [2022-02-16 09:41:19,356 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 09:41:19,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-16 09:41:19,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fbd9929/4c4014a0bc364b9c8ce2eef38335c7a0/FLAG009b73a7b [2022-02-16 09:41:19,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fbd9929/4c4014a0bc364b9c8ce2eef38335c7a0 [2022-02-16 09:41:19,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 09:41:19,377 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 09:41:19,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 09:41:19,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 09:41:19,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 09:41:19,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abfcfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19, skipping insertion in model container [2022-02-16 09:41:19,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 09:41:19,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 09:41:19,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 09:41:19,650 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 09:41:19,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 09:41:19,719 INFO L208 MainTranslator]: Completed translation [2022-02-16 09:41:19,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19 WrapperNode [2022-02-16 09:41:19,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 09:41:19,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 09:41:19,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 09:41:19,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 09:41:19,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,749 INFO L137 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-16 09:41:19,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 09:41:19,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 09:41:19,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 09:41:19,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 09:41:19,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 09:41:19,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 09:41:19,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 09:41:19,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 09:41:19,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (1/1) ... [2022-02-16 09:41:19,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 09:41:19,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:41:19,806 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) [2022-02-16 09:41:19,808 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 [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 09:41:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 09:41:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 09:41:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 09:41:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 09:41:19,836 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 09:41:19,926 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 09:41:19,927 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 09:41:20,115 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 09:41:20,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 09:41:20,120 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 09:41:20,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:41:20 BoogieIcfgContainer [2022-02-16 09:41:20,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 09:41:20,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 09:41:20,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 09:41:20,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 09:41:20,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 09:41:19" (1/3) ... [2022-02-16 09:41:20,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a6710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:41:20, skipping insertion in model container [2022-02-16 09:41:20,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:41:19" (2/3) ... [2022-02-16 09:41:20,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a6710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:41:20, skipping insertion in model container [2022-02-16 09:41:20,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:41:20" (3/3) ... [2022-02-16 09:41:20,129 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2022-02-16 09:41:20,132 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 09:41:20,132 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 09:41:20,132 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-16 09:41:20,133 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 09:41:20,162 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,163 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,164 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,165 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,166 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,167 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,168 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,169 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,170 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,173 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,174 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,174 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:41:20,175 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 09:41:20,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 09:41:20,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:41:20,226 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) [2022-02-16 09:41:20,227 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 [2022-02-16 09:41:20,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 09:41:20,260 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 [2022-02-16 09:41:20,260 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-16 09:41:20,300 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-16 09:41:20,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:41:20,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:41:20,306 INFO L85 PathProgramCache]: Analyzing trace with hash 117021383, now seen corresponding path program 1 times [2022-02-16 09:41:20,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:41:20,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412199436] [2022-02-16 09:41:20,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:41:20,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:41:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:41:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:41:20,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:41:20,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412199436] [2022-02-16 09:41:20,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412199436] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:41:20,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:41:20,580 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 09:41:20,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83641261] [2022-02-16 09:41:20,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:41:20,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:41:20,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:41:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:41:20,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 09:41:20,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:41:20,608 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:41:20,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:41:20,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:41:20,702 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 69 transitions and produced 70 states. [2022-02-16 09:41:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:20,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 09:41:20,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:41:20,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:41:20,709 INFO L85 PathProgramCache]: Analyzing trace with hash -516503582, now seen corresponding path program 1 times [2022-02-16 09:41:20,710 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:41:20,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477002508] [2022-02-16 09:41:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:41:20,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:41:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:41:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:41:20,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:41:20,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477002508] [2022-02-16 09:41:20,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477002508] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:41:20,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:41:20,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 09:41:20,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84272695] [2022-02-16 09:41:20,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:41:20,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:41:20,859 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:41:20,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:41:20,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 09:41:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:41:20,860 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:41:20,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-02-16 09:41:20,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:20,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:41:20,963 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states. [2022-02-16 09:41:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:20,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 09:41:20,964 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:41:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:41:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash -262516171, now seen corresponding path program 1 times [2022-02-16 09:41:20,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:41:20,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291138632] [2022-02-16 09:41:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:41:20,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:41:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:41:21,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:41:21,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:41:21,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291138632] [2022-02-16 09:41:21,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291138632] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:41:21,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:41:21,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 09:41:21,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893008098] [2022-02-16 09:41:21,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:41:21,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:41:21,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:41:21,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:41:21,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 09:41:21,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:41:21,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:41:21,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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) [2022-02-16 09:41:21,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:21,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:21,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:41:21,298 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 938 transitions and produced 570 states. [2022-02-16 09:41:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:21,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:41:21,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 09:41:21,299 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:41:21,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:41:21,300 INFO L85 PathProgramCache]: Analyzing trace with hash 305784178, now seen corresponding path program 1 times [2022-02-16 09:41:21,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:41:21,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103406654] [2022-02-16 09:41:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:41:21,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:41:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 09:41:21,326 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 09:41:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 09:41:21,371 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 09:41:21,371 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 09:41:21,372 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-16 09:41:21,373 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-16 09:41:21,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-16 09:41:21,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-16 09:41:21,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-16 09:41:21,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-16 09:41:21,374 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-16 09:41:21,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-16 09:41:21,378 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-16 09:41:21,382 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 09:41:21,382 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 09:41:21,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 09:41:21 BasicIcfg [2022-02-16 09:41:21,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 09:41:21,413 INFO L158 Benchmark]: Toolchain (without parser) took 2035.80ms. Allocated memory was 204.5MB in the beginning and 287.3MB in the end (delta: 82.8MB). Free memory was 151.2MB in the beginning and 137.2MB in the end (delta: 13.9MB). Peak memory consumption was 94.8MB. Max. memory is 8.0GB. [2022-02-16 09:41:21,413 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 204.5MB. Free memory is still 168.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 09:41:21,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.66ms. Allocated memory was 204.5MB in the beginning and 287.3MB in the end (delta: 82.8MB). Free memory was 150.9MB in the beginning and 252.1MB in the end (delta: -101.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-16 09:41:21,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.77ms. Allocated memory is still 287.3MB. Free memory was 252.1MB in the beginning and 250.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 09:41:21,414 INFO L158 Benchmark]: Boogie Preprocessor took 25.88ms. Allocated memory is still 287.3MB. Free memory was 250.0MB in the beginning and 248.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 09:41:21,415 INFO L158 Benchmark]: RCFGBuilder took 345.38ms. Allocated memory is still 287.3MB. Free memory was 248.4MB in the beginning and 233.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-16 09:41:21,415 INFO L158 Benchmark]: TraceAbstraction took 1289.05ms. Allocated memory is still 287.3MB. Free memory was 233.2MB in the beginning and 137.2MB in the end (delta: 95.9MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. [2022-02-16 09:41:21,417 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 204.5MB. Free memory is still 168.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 341.66ms. Allocated memory was 204.5MB in the beginning and 287.3MB in the end (delta: 82.8MB). Free memory was 150.9MB in the beginning and 252.1MB in the end (delta: -101.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.77ms. Allocated memory is still 287.3MB. Free memory was 252.1MB in the beginning and 250.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.88ms. Allocated memory is still 287.3MB. Free memory was 250.0MB in the beginning and 248.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 345.38ms. Allocated memory is still 287.3MB. Free memory was 248.4MB in the beginning and 233.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1289.05ms. Allocated memory is still 287.3MB. Free memory was 233.2MB in the beginning and 137.2MB in the end (delta: 95.9MB). Peak memory consumption was 95.4MB. 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; VAL [data={1:0}] [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [data={1:0}, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, id={5:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=49, id={5:0}, m={2:0}] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x=0, data.x++=0, data.x++=49, id={5:0}, m={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [693] * C: data.x++ [693] * C: data.x++ [683] * C: data.x++ [693] * C: data.x++ [693] and C: data.x++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, 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, 0.3s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 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 [2022-02-16 09:41:21,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-16 09:41:21,693 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...