/usr/bin/java -Xmx16000000000 -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/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-13 19:33:26,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 19:33:26,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 19:33:26,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 19:33:26,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 19:33:26,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 19:33:26,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 19:33:26,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 19:33:26,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 19:33:26,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 19:33:26,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 19:33:26,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 19:33:26,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 19:33:26,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 19:33:26,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 19:33:26,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 19:33:26,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 19:33:26,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 19:33:26,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 19:33:26,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 19:33:26,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 19:33:26,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 19:33:26,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 19:33:26,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 19:33:26,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 19:33:26,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 19:33:26,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 19:33:26,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 19:33:26,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 19:33:26,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 19:33:26,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 19:33:26,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 19:33:26,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 19:33:26,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 19:33:26,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 19:33:26,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 19:33:26,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 19:33:26,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 19:33:26,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 19:33:26,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 19:33:26,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 19:33:26,718 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 [2021-11-13 19:33:26,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 19:33:26,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 19:33:26,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 19:33:26,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 19:33:26,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 19:33:26,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 19:33:26,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 19:33:26,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 19:33:26,757 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 19:33:26,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 19:33:26,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 19:33:26,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 19:33:26,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 19:33:26,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 19:33:26,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 19:33:26,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 19:33:26,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 19:33:26,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 19:33:26,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 19:33:26,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:33:26,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 19:33:26,760 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 19:33:26,761 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 19:33:26,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-13 19:33:26,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 19:33:26,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 19:33:26,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 19:33:26,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 19:33:26,984 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 19:33:26,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2021-11-13 19:33:27,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8bf1cd4a/678824a193174fe0a73d5b02fa960b68/FLAG0d89bd9bb [2021-11-13 19:33:27,473 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 19:33:27,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2021-11-13 19:33:27,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8bf1cd4a/678824a193174fe0a73d5b02fa960b68/FLAG0d89bd9bb [2021-11-13 19:33:27,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8bf1cd4a/678824a193174fe0a73d5b02fa960b68 [2021-11-13 19:33:27,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 19:33:27,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 19:33:27,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 19:33:27,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 19:33:27,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 19:33:27,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:33:27" (1/1) ... [2021-11-13 19:33:27,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f84f0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:27, skipping insertion in model container [2021-11-13 19:33:27,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:33:27" (1/1) ... [2021-11-13 19:33:27,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 19:33:27,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 19:33:28,033 WARN L228 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_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2021-11-13 19:33:28,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:33:28,295 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 19:33:28,306 WARN L228 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_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2021-11-13 19:33:28,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 19:33:28,404 INFO L208 MainTranslator]: Completed translation [2021-11-13 19:33:28,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28 WrapperNode [2021-11-13 19:33:28,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 19:33:28,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 19:33:28,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 19:33:28,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 19:33:28,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 19:33:28,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 19:33:28,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 19:33:28,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 19:33:28,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 19:33:28,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 19:33:28,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 19:33:28,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 19:33:28,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (1/1) ... [2021-11-13 19:33:28,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 19:33:28,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 19:33:28,515 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) [2021-11-13 19:33:28,520 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 [2021-11-13 19:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-13 19:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2021-11-13 19:33:28,541 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2021-11-13 19:33:28,541 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2021-11-13 19:33:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 19:33:28,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 19:33:28,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 19:33:28,544 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 19:33:28,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 19:33:28,876 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 19:33:28,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:33:28 BoogieIcfgContainer [2021-11-13 19:33:28,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 19:33:28,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 19:33:28,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 19:33:28,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 19:33:28,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 07:33:27" (1/3) ... [2021-11-13 19:33:28,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300c0ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:33:28, skipping insertion in model container [2021-11-13 19:33:28,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:33:28" (2/3) ... [2021-11-13 19:33:28,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300c0ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:33:28, skipping insertion in model container [2021-11-13 19:33:28,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:33:28" (3/3) ... [2021-11-13 19:33:28,885 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2021-11-13 19:33:28,889 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 19:33:28,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 19:33:28,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 19:33:28,889 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 19:33:28,931 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,931 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,931 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,931 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,932 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,932 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,932 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,932 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,933 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,933 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,935 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,935 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,936 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,937 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,938 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,938 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,938 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,938 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,939 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,939 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,939 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,940 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,943 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,943 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,943 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,943 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,944 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,944 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,945 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,945 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,945 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,945 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,946 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,946 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,946 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,946 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,947 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,947 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,949 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,949 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,951 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,952 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,953 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,953 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,953 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,954 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,956 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,957 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,957 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,957 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,957 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,957 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,957 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,968 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,968 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,968 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,968 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,968 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,969 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,969 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 19:33:28,971 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-13 19:33:29,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 19:33:29,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 19:33:29,035 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) [2021-11-13 19:33:29,038 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 [2021-11-13 19:33:29,074 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == f2Thread1of1ForFork1 ======== [2021-11-13 19:33:29,086 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, 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 [2021-11-13 19:33:29,086 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 19:33:29,231 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:33:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:33:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash -588009532, now seen corresponding path program 1 times [2021-11-13 19:33:29,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:33:29,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083466325] [2021-11-13 19:33:29,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:33:29,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:33:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:33:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:33:29,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:33:29,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083466325] [2021-11-13 19:33:29,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083466325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:33:29,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:33:29,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 19:33:29,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578898217] [2021-11-13 19:33:29,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:33:29,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 19:33:29,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:33:29,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 19:33:29,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 19:33:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:33:29,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:33:29,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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) [2021-11-13 19:33:29,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:33:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 19:33:29,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 19:33:29,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:33:29,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:33:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash 139013506, now seen corresponding path program 1 times [2021-11-13 19:33:29,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:33:29,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067858611] [2021-11-13 19:33:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:33:29,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:33:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 19:33:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 19:33:29,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 19:33:29,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067858611] [2021-11-13 19:33:29,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067858611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 19:33:29,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 19:33:29,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 19:33:29,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259135275] [2021-11-13 19:33:29,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 19:33:29,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 19:33:29,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 19:33:29,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 19:33:29,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 19:33:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:33:29,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 19:33:29,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-11-13 19:33:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-13 19:33:29,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 19:33:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 19:33:29,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 19:33:29,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 19:33:29,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 19:33:29,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:33:29,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1106176189, now seen corresponding path program 1 times [2021-11-13 19:33:29,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:33:29,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675129077] [2021-11-13 19:33:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:33:29,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:33:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:33:29,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 19:33:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:33:30,043 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 19:33:30,043 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 19:33:30,044 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 19:33:30,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 19:33:30,052 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-13 19:33:30,053 INFO L308 ceAbstractionStarter]: Result for error location f2Thread1of1ForFork1 was UNSAFE (1/2) [2021-11-13 19:33:30,056 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 19:33:30,056 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 19:33:30,094 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 19:33:30,103 INFO L158 Benchmark]: Toolchain (without parser) took 2283.32ms. Allocated memory is still 367.0MB. Free memory was 310.2MB in the beginning and 190.9MB in the end (delta: 119.2MB). Peak memory consumption was 119.0MB. Max. memory is 16.0GB. [2021-11-13 19:33:30,105 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 367.0MB. Free memory is still 328.9MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 19:33:30,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.49ms. Allocated memory is still 367.0MB. Free memory was 310.0MB in the beginning and 312.6MB in the end (delta: -2.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.0GB. [2021-11-13 19:33:30,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.19ms. Allocated memory is still 367.0MB. Free memory was 312.6MB in the beginning and 309.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 19:33:30,108 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 367.0MB. Free memory was 309.4MB in the beginning and 307.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 19:33:30,108 INFO L158 Benchmark]: RCFGBuilder took 390.10ms. Allocated memory is still 367.0MB. Free memory was 307.3MB in the beginning and 290.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-13 19:33:30,108 INFO L158 Benchmark]: TraceAbstraction took 1222.77ms. Allocated memory is still 367.0MB. Free memory was 290.5MB in the beginning and 190.9MB in the end (delta: 99.6MB). Peak memory consumption was 100.7MB. Max. memory is 16.0GB. [2021-11-13 19:33:30,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 367.0MB. Free memory is still 328.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 584.49ms. Allocated memory is still 367.0MB. Free memory was 310.0MB in the beginning and 312.6MB in the end (delta: -2.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 50.19ms. Allocated memory is still 367.0MB. Free memory was 312.6MB in the beginning and 309.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 367.0MB. Free memory was 309.4MB in the beginning and 307.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 390.10ms. Allocated memory is still 367.0MB. Free memory was 307.3MB in the beginning and 290.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 1222.77ms. Allocated memory is still 367.0MB. Free memory was 290.5MB in the beginning and 190.9MB in the end (delta: 99.6MB). Peak memory consumption was 100.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 992, positive: 980, positive conditional: 244, positive unconditional: 736, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 992, positive: 980, positive conditional: 244, positive unconditional: 736, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 992, positive: 980, positive conditional: 244, positive unconditional: 736, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 993, positive: 980, positive conditional: 183, positive unconditional: 797, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 993, positive: 980, positive conditional: 57, positive unconditional: 923, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 993, positive: 980, positive conditional: 57, positive unconditional: 923, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 758, positive: 748, positive conditional: 0, positive unconditional: 748, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 758, positive: 743, positive conditional: 0, positive unconditional: 743, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 993, positive: 232, positive conditional: 57, positive unconditional: 175, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 758, unknown conditional: 0, unknown unconditional: 758] , Statistics on independence cache: Total cache size (in pairs): 758, Positive cache size: 748, Positive conditional cache size: 0, Positive unconditional cache size: 748, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 127, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 115.06ms, Number of persistent set computation: 125, Number of trivial persistent sets: 70, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746, positive: 736, positive conditional: 0, positive unconditional: 736, 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: 992, positive: 980, positive conditional: 244, positive unconditional: 736, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 992, positive: 980, positive conditional: 244, positive unconditional: 736, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 992, positive: 980, positive conditional: 244, positive unconditional: 736, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 993, positive: 980, positive conditional: 183, positive unconditional: 797, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 993, positive: 980, positive conditional: 57, positive unconditional: 923, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 993, positive: 980, positive conditional: 57, positive unconditional: 923, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 758, positive: 748, positive conditional: 0, positive unconditional: 748, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 758, positive: 743, positive conditional: 0, positive unconditional: 743, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 993, positive: 232, positive conditional: 57, positive unconditional: 175, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 758, unknown conditional: 0, unknown unconditional: 758] , Statistics on independence cache: Total cache size (in pairs): 758, Positive cache size: 748, Positive conditional cache size: 0, Positive unconditional cache size: 748, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 127, 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 19:33:30,151 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 [2021-11-13 19:33:30,363 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...