/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 13:57:51,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 13:57:51,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 13:57:51,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 13:57:51,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 13:57:51,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 13:57:51,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 13:57:51,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 13:57:51,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 13:57:51,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 13:57:51,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 13:57:51,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 13:57:51,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 13:57:51,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 13:57:51,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 13:57:51,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 13:57:51,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-15 13:57:51,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 13:57:51,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 13:57:51,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 13:57:51,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 13:57:51,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 13:57:51,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 13:57:51,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 13:57:51,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 13:57:51,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 13:57:51,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 13:57:51,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 13:57:51,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 13:57:51,811 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 13:57:51,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 13:57:51,811 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 13:57:51,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 13:57:51,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 13:57:51,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 13:57:51,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 13:57:51,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 13:57:51,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 13:57:51,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 13:57:51,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 13:57:51,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 13:57:51,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 13:57:51,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 13:57:51,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 13:57:51,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 13:57:51,816 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 13:57:51,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 13:57:51,817 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 13:57:52,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 13:57:52,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 13:57:52,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 13:57:52,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 13:57:52,053 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 13:57:52,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2022-11-15 13:57:52,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/615266e0e/091e37fa24af4e81af9842844f178aa4/FLAG0ca6498fb [2022-11-15 13:57:52,495 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 13:57:52,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2022-11-15 13:57:52,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/615266e0e/091e37fa24af4e81af9842844f178aa4/FLAG0ca6498fb [2022-11-15 13:57:52,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/615266e0e/091e37fa24af4e81af9842844f178aa4 [2022-11-15 13:57:52,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 13:57:52,849 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 13:57:52,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 13:57:52,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 13:57:52,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 13:57:52,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:57:52" (1/1) ... [2022-11-15 13:57:52,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492d65cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:52, skipping insertion in model container [2022-11-15 13:57:52,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:57:52" (1/1) ... [2022-11-15 13:57:52,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 13:57:52,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 13:57:53,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 13:57:53,358 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 13:57:53,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 13:57:53,453 INFO L208 MainTranslator]: Completed translation [2022-11-15 13:57:53,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53 WrapperNode [2022-11-15 13:57:53,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 13:57:53,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 13:57:53,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 13:57:53,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 13:57:53,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,501 INFO L138 Inliner]: procedures = 263, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2022-11-15 13:57:53,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 13:57:53,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 13:57:53,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 13:57:53,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 13:57:53,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 13:57:53,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 13:57:53,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 13:57:53,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 13:57:53,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (1/1) ... [2022-11-15 13:57:53,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 13:57:53,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 13:57:53,550 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) [2022-11-15 13:57:53,553 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 [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 13:57:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-15 13:57:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-15 13:57:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 13:57:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 13:57:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 13:57:53,588 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 13:57:53,729 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 13:57:53,730 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 13:57:53,864 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 13:57:53,870 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 13:57:53,870 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 13:57:53,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:57:53 BoogieIcfgContainer [2022-11-15 13:57:53,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 13:57:53,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 13:57:53,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 13:57:53,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 13:57:53,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 01:57:52" (1/3) ... [2022-11-15 13:57:53,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec4024f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:57:53, skipping insertion in model container [2022-11-15 13:57:53,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:57:53" (2/3) ... [2022-11-15 13:57:53,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec4024f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:57:53, skipping insertion in model container [2022-11-15 13:57:53,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:57:53" (3/3) ... [2022-11-15 13:57:53,880 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2022-11-15 13:57:53,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 13:57:53,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 13:57:53,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-15 13:57:53,894 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 13:57:53,939 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-15 13:57:53,978 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 13:57:53,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 13:57:53,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 13:57:53,980 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) [2022-11-15 13:57:53,983 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 [2022-11-15 13:57:54,011 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 13:57:54,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-15 13:57:54,025 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b8e342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 13:57:54,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-15 13:57:54,148 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-15 13:57:54,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 13:57:54,153 INFO L85 PathProgramCache]: Analyzing trace with hash 347436855, now seen corresponding path program 1 times [2022-11-15 13:57:54,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 13:57:54,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643323811] [2022-11-15 13:57:54,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 13:57:54,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 13:57:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 13:57:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 13:57:54,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 13:57:54,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643323811] [2022-11-15 13:57:54,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643323811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 13:57:54,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 13:57:54,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 13:57:54,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750122026] [2022-11-15 13:57:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 13:57:54,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 13:57:54,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 13:57:54,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 13:57:54,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 13:57:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:54,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 13:57:54,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-11-15 13:57:54,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:54,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 13:57:54,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-15 13:57:54,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-15 13:57:54,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 13:57:54,611 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-15 13:57:54,613 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE (1/2) [2022-11-15 13:57:54,621 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-15 13:57:54,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 13:57:54,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 13:57:54,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 13:57:54,629 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 13:57:54,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 13:57:54,630 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b8e342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 13:57:54,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-15 13:57:54,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-15 13:57:54,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 13:57:54,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 13:57:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash 848450314, now seen corresponding path program 1 times [2022-11-15 13:57:54,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 13:57:54,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122166606] [2022-11-15 13:57:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 13:57:54,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 13:57:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 13:57:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 13:57:54,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 13:57:54,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122166606] [2022-11-15 13:57:54,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122166606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 13:57:54,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 13:57:54,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 13:57:54,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748328546] [2022-11-15 13:57:54,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 13:57:54,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 13:57:54,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 13:57:54,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 13:57:54,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-15 13:57:54,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:54,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 13:57:54,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2022-11-15 13:57:54,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:54,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 13:57:54,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 13:57:54,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 13:57:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1108912806, now seen corresponding path program 1 times [2022-11-15 13:57:54,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 13:57:54,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407169843] [2022-11-15 13:57:54,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 13:57:54,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 13:57:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 13:57:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 13:57:55,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 13:57:55,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407169843] [2022-11-15 13:57:55,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407169843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 13:57:55,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 13:57:55,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 13:57:55,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292672415] [2022-11-15 13:57:55,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 13:57:55,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 13:57:55,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 13:57:55,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 13:57:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 13:57:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:55,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 13:57:55,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-11-15 13:57:55,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:55,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:55,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 13:57:55,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 13:57:55,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 13:57:55,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 13:57:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1094097373, now seen corresponding path program 1 times [2022-11-15 13:57:55,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 13:57:55,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067806125] [2022-11-15 13:57:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 13:57:55,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 13:57:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 13:57:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 13:57:55,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 13:57:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067806125] [2022-11-15 13:57:55,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067806125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 13:57:55,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 13:57:55,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 13:57:55,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834053912] [2022-11-15 13:57:55,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 13:57:55,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 13:57:55,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 13:57:55,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 13:57:55,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 13:57:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:55,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 13:57:55,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) 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) [2022-11-15 13:57:55,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:55,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 13:57:55,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 13:57:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 13:57:55,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 13:57:55,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 13:57:55,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 13:57:55,346 INFO L85 PathProgramCache]: Analyzing trace with hash -442719647, now seen corresponding path program 1 times [2022-11-15 13:57:55,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 13:57:55,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78395550] [2022-11-15 13:57:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 13:57:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 13:57:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 13:57:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 13:57:55,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 13:57:55,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78395550] [2022-11-15 13:57:55,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78395550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 13:57:55,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 13:57:55,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 13:57:55,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56819100] [2022-11-15 13:57:55,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 13:57:55,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 13:57:55,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 13:57:55,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 13:57:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 13:57:55,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:55,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 13:57:55,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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) [2022-11-15 13:57:55,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:55,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 13:57:55,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 13:57:55,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 13:57:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 13:57:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 13:57:55,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 13:57:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 13:57:55,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 3 remaining) [2022-11-15 13:57:55,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 3 remaining) [2022-11-15 13:57:55,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-15 13:57:55,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 13:57:55,540 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-15 13:57:55,541 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2022-11-15 13:57:55,542 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 13:57:55,542 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 13:57:55,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 01:57:55 BasicIcfg [2022-11-15 13:57:55,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 13:57:55,555 INFO L158 Benchmark]: Toolchain (without parser) took 2705.41ms. Allocated memory was 188.7MB in the beginning and 238.0MB in the end (delta: 49.3MB). Free memory was 156.2MB in the beginning and 206.3MB in the end (delta: -50.1MB). Peak memory consumption was 111.0MB. Max. memory is 8.0GB. [2022-11-15 13:57:55,555 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 13:57:55,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.83ms. Allocated memory was 188.7MB in the beginning and 238.0MB in the end (delta: 49.3MB). Free memory was 156.2MB in the beginning and 188.7MB in the end (delta: -32.5MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. [2022-11-15 13:57:55,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.97ms. Allocated memory is still 238.0MB. Free memory was 188.7MB in the beginning and 186.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 13:57:55,556 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 238.0MB. Free memory was 186.3MB in the beginning and 184.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 13:57:55,556 INFO L158 Benchmark]: RCFGBuilder took 350.20ms. Allocated memory is still 238.0MB. Free memory was 184.9MB in the beginning and 171.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-15 13:57:55,556 INFO L158 Benchmark]: TraceAbstraction took 1679.82ms. Allocated memory is still 238.0MB. Free memory was 170.5MB in the beginning and 206.3MB in the end (delta: -35.7MB). Peak memory consumption was 76.1MB. Max. memory is 8.0GB. [2022-11-15 13:57:55,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 602.83ms. Allocated memory was 188.7MB in the beginning and 238.0MB in the end (delta: 49.3MB). Free memory was 156.2MB in the beginning and 188.7MB in the end (delta: -32.5MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.97ms. Allocated memory is still 238.0MB. Free memory was 188.7MB in the beginning and 186.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 238.0MB. Free memory was 186.3MB in the beginning and 184.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 350.20ms. Allocated memory is still 238.0MB. Free memory was 184.9MB in the beginning and 171.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1679.82ms. Allocated memory is still 238.0MB. Free memory was 170.5MB in the beginning and 206.3MB in the end (delta: -35.7MB). Peak memory consumption was 76.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 143, independent: 142, independent conditional: 5, independent unconditional: 137, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 338, independent: 336, independent conditional: 12, independent unconditional: 324, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 336, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 236, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 336, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 236, unknown conditional: 0, unknown unconditional: 236] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 195, independent: 194, independent conditional: 7, independent unconditional: 187, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 338, independent: 336, independent conditional: 12, independent unconditional: 324, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 336, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 236, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 336, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 236, unknown conditional: 0, unknown unconditional: 236] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 236, Positive conditional cache size: 0, Positive unconditional cache size: 236, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 43, Number of trivial persistent sets: 39, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 143, independent: 142, independent conditional: 5, independent unconditional: 137, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 338, independent: 336, independent conditional: 12, independent unconditional: 324, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 336, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 236, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 336, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 236, unknown conditional: 0, unknown unconditional: 236] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 44, Number of trivial persistent sets: 39, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 195, independent: 194, independent conditional: 7, independent unconditional: 187, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 338, independent: 336, independent conditional: 12, independent unconditional: 324, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 336, independent: 336, independent conditional: 0, independent unconditional: 336, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 236, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 336, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 236, unknown conditional: 0, unknown unconditional: 236] , Statistics on independence cache: Total cache size (in pairs): 236, Positive cache size: 236, Positive conditional cache size: 0, Positive unconditional cache size: 236, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 221, independent: 220, independent conditional: 15, independent unconditional: 205, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 376, independent: 369, independent conditional: 29, independent unconditional: 340, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 380, Positive conditional cache size: 0, Positive unconditional cache size: 380, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 380, independent: 365, independent conditional: 32, independent unconditional: 333, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 438, Positive conditional cache size: 0, Positive unconditional cache size: 438, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 9, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 382, independent: 367, independent conditional: 34, independent unconditional: 333, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 438, Positive conditional cache size: 0, Positive unconditional cache size: 438, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 13, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 440, independent: 416, independent conditional: 43, independent unconditional: 373, dependent: 24, dependent conditional: 11, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 463, Positive cache size: 456, Positive conditional cache size: 0, Positive unconditional cache size: 456, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 19, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 53, Number of trivial persistent sets: 39, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 221, independent: 220, independent conditional: 15, independent unconditional: 205, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 190, Positive conditional cache size: 0, Positive unconditional cache size: 190, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 64, Number of trivial persistent sets: 45, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 376, independent: 369, independent conditional: 29, independent unconditional: 340, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 380, Positive conditional cache size: 0, Positive unconditional cache size: 380, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 69, Number of trivial persistent sets: 50, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 380, independent: 365, independent conditional: 32, independent unconditional: 333, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 438, Positive conditional cache size: 0, Positive unconditional cache size: 438, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 9, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 70, Number of trivial persistent sets: 50, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 382, independent: 367, independent conditional: 34, independent unconditional: 333, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 444, Positive cache size: 438, Positive conditional cache size: 0, Positive unconditional cache size: 438, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 13, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 81, Number of trivial persistent sets: 57, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 440, independent: 416, independent conditional: 43, independent unconditional: 373, dependent: 24, dependent conditional: 11, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1799, independent: 1737, independent conditional: 153, independent unconditional: 1584, dependent: 62, dependent conditional: 29, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1780, independent: 1737, independent conditional: 0, independent unconditional: 1737, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 463, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1780, independent: 1281, independent conditional: 0, independent unconditional: 1281, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 463, unknown conditional: 0, unknown unconditional: 463] , Statistics on independence cache: Total cache size (in pairs): 463, Positive cache size: 456, Positive conditional cache size: 0, Positive unconditional cache size: 456, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 19, Statistics for Abstraction: - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 97 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 97 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-15 13:57:55,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-11-15 13:57:55,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-15 13:57:55,990 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...