/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 06:54:48,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 06:54:48,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 06:54:48,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 06:54:48,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 06:54:48,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 06:54:48,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 06:54:48,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 06:54:48,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 06:54:48,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 06:54:48,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 06:54:48,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 06:54:48,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 06:54:48,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 06:54:48,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 06:54:48,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 06:54:48,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 06:54:48,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 06:54:48,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 06:54:48,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 06:54:48,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 06:54:48,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 06:54:48,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 06:54:48,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 06:54:48,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 06:54:48,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 06:54:48,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 06:54:48,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 06:54:48,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 06:54:48,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 06:54:48,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 06:54:48,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 06:54:48,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 06:54:48,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 06:54:48,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 06:54:48,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 06:54:48,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 06:54:48,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 06:54:48,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 06:54:48,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 06:54:48,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 06:54:48,931 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-MCRwithoutDepranks-Lazy.epf [2022-03-02 06:54:48,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 06:54:48,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 06:54:48,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 06:54:48,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 06:54:48,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 06:54:48,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 06:54:48,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 06:54:48,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 06:54:48,952 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 06:54:48,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 06:54:48,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 06:54:48,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 06:54:48,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 06:54:48,956 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 06:54:48,957 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 06:54:48,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 06:54:49,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 06:54:49,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 06:54:49,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 06:54:49,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 06:54:49,127 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 06:54:49,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-03-02 06:54:49,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b5e9d8f/ac4418a8e7694f979ec92a7ab62f97ab/FLAG56d691676 [2022-03-02 06:54:49,534 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 06:54:49,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2022-03-02 06:54:49,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b5e9d8f/ac4418a8e7694f979ec92a7ab62f97ab/FLAG56d691676 [2022-03-02 06:54:49,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91b5e9d8f/ac4418a8e7694f979ec92a7ab62f97ab [2022-03-02 06:54:49,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 06:54:49,556 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 06:54:49,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 06:54:49,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 06:54:49,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 06:54:49,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66537f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49, skipping insertion in model container [2022-03-02 06:54:49,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 06:54:49,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 06:54:49,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-03-02 06:54:49,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 06:54:49,886 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 06:54:49,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[1103,1116] [2022-03-02 06:54:49,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 06:54:49,941 INFO L208 MainTranslator]: Completed translation [2022-03-02 06:54:49,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49 WrapperNode [2022-03-02 06:54:49,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 06:54:49,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 06:54:49,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 06:54:49,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 06:54:49,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,981 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-03-02 06:54:49,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 06:54:49,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 06:54:49,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 06:54:49,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 06:54:49,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:49,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:50,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:50,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:50,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:50,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 06:54:50,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 06:54:50,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 06:54:50,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 06:54:50,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (1/1) ... [2022-03-02 06:54:50,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 06:54:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:54:50,041 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) [2022-03-02 06:54:50,050 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 [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-02 06:54:50,072 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 06:54:50,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 06:54:50,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 06:54:50,073 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 06:54:50,140 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 06:54:50,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 06:54:50,235 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 06:54:50,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 06:54:50,239 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 06:54:50,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 06:54:50 BoogieIcfgContainer [2022-03-02 06:54:50,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 06:54:50,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 06:54:50,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 06:54:50,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 06:54:50,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 06:54:49" (1/3) ... [2022-03-02 06:54:50,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305c3861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 06:54:50, skipping insertion in model container [2022-03-02 06:54:50,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 06:54:49" (2/3) ... [2022-03-02 06:54:50,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305c3861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 06:54:50, skipping insertion in model container [2022-03-02 06:54:50,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 06:54:50" (3/3) ... [2022-03-02 06:54:50,245 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2022-03-02 06:54:50,248 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 06:54:50,248 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 06:54:50,248 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 06:54:50,248 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,267 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,273 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,273 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,273 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 06:54:50,276 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-02 06:54:50,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 06:54:50,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 06:54:50,303 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) [2022-03-02 06:54:50,304 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 [2022-03-02 06:54:50,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 06:54:50,328 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=true, mMcrOverapproximateWrwc=true [2022-03-02 06:54:50,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-02 06:54:50,409 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-03-02 06:54:50,410 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 06:54:50,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:54:50,414 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-03-02 06:54:50,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:54:50,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282899132] [2022-03-02 06:54:50,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:54:50,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:54:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:54:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:54:50,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:54:50,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282899132] [2022-03-02 06:54:50,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282899132] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:54:50,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 06:54:50,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-02 06:54:50,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411118026] [2022-03-02 06:54:50,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:54:50,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-02 06:54:50,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:54:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-02 06:54:50,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-02 06:54:50,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:54:50,761 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:54:50,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2022-03-02 06:54:50,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:54:51,623 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5778 transitions and produced 5779 states. [2022-03-02 06:54:51,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 06:54:51,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 06:54:51,624 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 06:54:51,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:54:51,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1476516800, now seen corresponding path program 1 times [2022-03-02 06:54:51,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:54:51,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984822413] [2022-03-02 06:54:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:54:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:54:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 06:54:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 06:54:51,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 06:54:51,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984822413] [2022-03-02 06:54:51,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984822413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 06:54:51,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 06:54:51,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-02 06:54:51,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118970282] [2022-03-02 06:54:51,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 06:54:51,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-02 06:54:51,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 06:54:51,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-02 06:54:51,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-02 06:54:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:54:51,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 06:54:51,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-03-02 06:54:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-02 06:54:51,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 06:54:51,894 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 716 transitions and produced 717 states. [2022-03-02 06:54:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-02 06:54:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-02 06:54:51,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 06:54:51,895 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-02 06:54:51,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 06:54:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash 576623755, now seen corresponding path program 1 times [2022-03-02 06:54:51,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 06:54:51,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565296973] [2022-03-02 06:54:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 06:54:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 06:54:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 06:54:51,917 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-02 06:54:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-02 06:54:51,956 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-02 06:54:51,956 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-02 06:54:51,957 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-03-02 06:54:51,958 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-02 06:54:51,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-02 06:54:51,963 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-02 06:54:51,965 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 06:54:51,965 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 06:54:51,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 06:54:51 BasicIcfg [2022-03-02 06:54:51,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 06:54:51,997 INFO L158 Benchmark]: Toolchain (without parser) took 2440.75ms. Allocated memory was 227.5MB in the beginning and 622.9MB in the end (delta: 395.3MB). Free memory was 175.3MB in the beginning and 443.9MB in the end (delta: -268.5MB). Peak memory consumption was 125.9MB. Max. memory is 8.0GB. [2022-03-02 06:54:51,998 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 227.5MB. Free memory is still 193.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 06:54:51,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.39ms. Allocated memory is still 227.5MB. Free memory was 175.0MB in the beginning and 193.8MB in the end (delta: -18.8MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-03-02 06:54:51,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.85ms. Allocated memory is still 227.5MB. Free memory was 193.4MB in the beginning and 191.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 06:54:51,999 INFO L158 Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 227.5MB. Free memory was 191.7MB in the beginning and 190.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 06:54:51,999 INFO L158 Benchmark]: RCFGBuilder took 234.28ms. Allocated memory is still 227.5MB. Free memory was 190.3MB in the beginning and 178.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-02 06:54:51,999 INFO L158 Benchmark]: TraceAbstraction took 1755.84ms. Allocated memory was 227.5MB in the beginning and 622.9MB in the end (delta: 395.3MB). Free memory was 178.4MB in the beginning and 443.9MB in the end (delta: -265.5MB). Peak memory consumption was 130.6MB. Max. memory is 8.0GB. [2022-03-02 06:54:52,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 227.5MB. Free memory is still 193.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 382.39ms. Allocated memory is still 227.5MB. Free memory was 175.0MB in the beginning and 193.8MB in the end (delta: -18.8MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.85ms. Allocated memory is still 227.5MB. Free memory was 193.4MB in the beginning and 191.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.54ms. Allocated memory is still 227.5MB. Free memory was 191.7MB in the beginning and 190.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 234.28ms. Allocated memory is still 227.5MB. Free memory was 190.3MB in the beginning and 178.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1755.84ms. Allocated memory was 227.5MB in the beginning and 622.9MB in the end (delta: 395.3MB). Free memory was 178.4MB in the beginning and 443.9MB in the end (delta: -265.5MB). Peak memory consumption was 130.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(glob1 == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! [2022-03-02 06:54:52,042 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 [2022-03-02 06:54:52,258 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...