/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 01:18:18,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 01:18:18,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 01:18:19,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 01:18:19,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 01:18:19,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 01:18:19,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 01:18:19,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 01:18:19,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 01:18:19,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 01:18:19,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 01:18:19,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 01:18:19,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 01:18:19,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 01:18:19,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 01:18:19,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 01:18:19,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 01:18:19,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 01:18:19,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 01:18:19,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 01:18:19,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 01:18:19,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 01:18:19,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 01:18:19,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 01:18:19,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 01:18:19,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 01:18:19,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 01:18:19,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 01:18:19,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 01:18:19,105 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 01:18:19,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 01:18:19,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 01:18:19,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 01:18:19,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 01:18:19,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 01:18:19,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 01:18:19,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 01:18:19,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 01:18:19,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 01:18:19,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 01:18:19,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 01:18:19,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 01:18:19,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 01:18:19,110 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 01:18:19,110 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 01:18:19,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 01:18:19,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 01:18:19,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 01:18:19,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 01:18:19,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 01:18:19,344 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 01:18:19,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-19 01:18:19,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b42b6f4/d31be03a469d4415b628853e4688ea7e/FLAGc64f68d3c [2022-02-19 01:18:19,863 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 01:18:19,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-19 01:18:19,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b42b6f4/d31be03a469d4415b628853e4688ea7e/FLAGc64f68d3c [2022-02-19 01:18:19,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b42b6f4/d31be03a469d4415b628853e4688ea7e [2022-02-19 01:18:19,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 01:18:19,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 01:18:19,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 01:18:19,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 01:18:19,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 01:18:19,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:18:19" (1/1) ... [2022-02-19 01:18:19,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6907ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:19, skipping insertion in model container [2022-02-19 01:18:19,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:18:19" (1/1) ... [2022-02-19 01:18:19,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 01:18:19,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 01:18:20,141 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-02-19 01:18:20,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 01:18:20,297 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 01:18:20,308 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2022-02-19 01:18:20,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 01:18:20,409 INFO L208 MainTranslator]: Completed translation [2022-02-19 01:18:20,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20 WrapperNode [2022-02-19 01:18:20,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 01:18:20,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 01:18:20,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 01:18:20,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 01:18:20,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,466 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-02-19 01:18:20,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 01:18:20,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 01:18:20,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 01:18:20,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 01:18:20,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 01:18:20,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 01:18:20,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 01:18:20,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 01:18:20,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (1/1) ... [2022-02-19 01:18:20,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 01:18:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 01:18:20,523 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) [2022-02-19 01:18:20,555 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 [2022-02-19 01:18:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 01:18:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 01:18:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 01:18:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 01:18:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 01:18:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 01:18:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 01:18:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 01:18:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 01:18:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 01:18:20,574 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 01:18:20,663 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 01:18:20,664 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 01:18:20,871 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 01:18:20,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 01:18:20,891 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 01:18:20,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:18:20 BoogieIcfgContainer [2022-02-19 01:18:20,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 01:18:20,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 01:18:20,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 01:18:20,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 01:18:20,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 01:18:19" (1/3) ... [2022-02-19 01:18:20,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4428a570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:18:20, skipping insertion in model container [2022-02-19 01:18:20,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:18:20" (2/3) ... [2022-02-19 01:18:20,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4428a570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:18:20, skipping insertion in model container [2022-02-19 01:18:20,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:18:20" (3/3) ... [2022-02-19 01:18:20,903 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2022-02-19 01:18:20,908 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 01:18:20,908 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 01:18:20,908 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 01:18:20,908 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 01:18:20,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,954 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 01:18:20,956 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-19 01:18:20,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 01:18:20,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 01:18:20,992 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) [2022-02-19 01:18:20,993 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 [2022-02-19 01:18:21,019 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 01:18:21,025 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 [2022-02-19 01:18:21,025 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 01:18:21,155 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 01:18:21,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:18:21,160 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times [2022-02-19 01:18:21,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:18:21,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252538169] [2022-02-19 01:18:21,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:18:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:18:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:18:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:18:21,559 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:18:21,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252538169] [2022-02-19 01:18:21,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252538169] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:18:21,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:18:21,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 01:18:21,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403414285] [2022-02-19 01:18:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:18:21,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 01:18:21,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:18:21,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 01:18:21,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-19 01:18:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:18:21,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:18:21,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2022-02-19 01:18:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:18:21,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:18:21,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 01:18:21,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 01:18:21,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:18:21,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1794058796, now seen corresponding path program 1 times [2022-02-19 01:18:21,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:18:21,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464608965] [2022-02-19 01:18:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:18:21,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:18:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 01:18:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 01:18:21,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 01:18:21,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464608965] [2022-02-19 01:18:21,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464608965] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 01:18:21,929 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 01:18:21,929 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 01:18:21,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078300335] [2022-02-19 01:18:21,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 01:18:21,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 01:18:21,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 01:18:21,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 01:18:21,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 01:18:21,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:18:21,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 01:18:21,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2022-02-19 01:18:21,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:18:21,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 01:18:22,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 01:18:22,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 01:18:22,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 01:18:22,066 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 01:18:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 01:18:22,067 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times [2022-02-19 01:18:22,067 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 01:18:22,067 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508269373] [2022-02-19 01:18:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 01:18:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 01:18:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 01:18:22,090 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 01:18:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 01:18:22,159 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 01:18:22,160 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 01:18:22,161 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-02-19 01:18:22,162 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-19 01:18:22,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 01:18:22,178 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-19 01:18:22,182 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 01:18:22,183 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 01:18:22,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 01:18:22 BasicIcfg [2022-02-19 01:18:22,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 01:18:22,255 INFO L158 Benchmark]: Toolchain (without parser) took 2342.27ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 168.6MB in the beginning and 194.4MB in the end (delta: -25.9MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-02-19 01:18:22,256 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory is still 156.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 01:18:22,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.48ms. Allocated memory is still 196.1MB. Free memory was 168.2MB in the beginning and 157.8MB in the end (delta: 10.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-19 01:18:22,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.53ms. Allocated memory is still 196.1MB. Free memory was 157.8MB in the beginning and 155.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 01:18:22,257 INFO L158 Benchmark]: Boogie Preprocessor took 23.03ms. Allocated memory is still 196.1MB. Free memory was 155.8MB in the beginning and 154.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 01:18:22,257 INFO L158 Benchmark]: RCFGBuilder took 402.86ms. Allocated memory is still 196.1MB. Free memory was 154.3MB in the beginning and 142.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 01:18:22,257 INFO L158 Benchmark]: TraceAbstraction took 1359.15ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 141.7MB in the beginning and 194.4MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 01:18:22,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory is still 156.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 496.48ms. Allocated memory is still 196.1MB. Free memory was 168.2MB in the beginning and 157.8MB in the end (delta: 10.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.53ms. Allocated memory is still 196.1MB. Free memory was 157.8MB in the beginning and 155.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.03ms. Allocated memory is still 196.1MB. Free memory was 155.8MB in the beginning and 154.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 402.86ms. Allocated memory is still 196.1MB. Free memory was 154.3MB in the beginning and 142.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1359.15ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 141.7MB in the beginning and 194.4MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 378, positive: 364, positive conditional: 74, positive unconditional: 290, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 375, positive: 364, positive conditional: 74, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 375, positive: 364, positive conditional: 74, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, positive: 364, positive conditional: 37, positive unconditional: 327, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 376, positive: 364, positive conditional: 16, positive unconditional: 348, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 376, positive: 364, positive conditional: 16, positive unconditional: 348, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 291, positive conditional: 1, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 63, positive conditional: 4, positive unconditional: 59, negative: 43, negative conditional: 13, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 376, positive: 73, positive conditional: 15, positive unconditional: 58, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 302, unknown conditional: 2, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 291, Positive conditional cache size: 1, Positive unconditional cache size: 290, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Eliminated conditions: 21, Maximal queried relation: 1, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 69, Number of trivial persistent sets: 50, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 300, positive: 290, positive conditional: 0, positive unconditional: 290, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 378, positive: 364, positive conditional: 74, positive unconditional: 290, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 375, positive: 364, positive conditional: 74, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 375, positive: 364, positive conditional: 74, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 376, positive: 364, positive conditional: 37, positive unconditional: 327, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 376, positive: 364, positive conditional: 16, positive unconditional: 348, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 376, positive: 364, positive conditional: 16, positive unconditional: 348, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 291, positive conditional: 1, positive unconditional: 290, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 63, positive conditional: 4, positive unconditional: 59, negative: 43, negative conditional: 13, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 376, positive: 73, positive conditional: 15, positive unconditional: 58, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 302, unknown conditional: 2, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 291, Positive conditional cache size: 1, Positive unconditional cache size: 290, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Eliminated conditions: 21, Maximal queried relation: 1, Independence queries for same thread: 3 - 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: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0] [L705] 0 t = g VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=0, t=42] [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=42] - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, 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: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 332 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! [2022-02-19 01:18:22,304 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 [2022-02-19 01:18:22,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...