/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/indexer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 10:16:23,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 10:16:23,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 10:16:23,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 10:16:23,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 10:16:23,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 10:16:23,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 10:16:23,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 10:16:23,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 10:16:23,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 10:16:23,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 10:16:23,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 10:16:23,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 10:16:23,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 10:16:23,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 10:16:23,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 10:16:23,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 10:16:23,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 10:16:23,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 10:16:23,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 10:16:24,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 10:16:24,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 10:16:24,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 10:16:24,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 10:16:24,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 10:16:24,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 10:16:24,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 10:16:24,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 10:16:24,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 10:16:24,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 10:16:24,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 10:16:24,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 10:16:24,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 10:16:24,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 10:16:24,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 10:16:24,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 10:16:24,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 10:16:24,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 10:16:24,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 10:16:24,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 10:16:24,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 10:16:24,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 10:16:24,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 10:16:24,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 10:16:24,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 10:16:24,067 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 10:16:24,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 10:16:24,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 10:16:24,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 10:16:24,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 10:16:24,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 10:16:24,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 10:16:24,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 10:16:24,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 10:16:24,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 10:16:24,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 10:16:24,070 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 10:16:24,071 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 10:16:24,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 10:16:24,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 10:16:24,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 10:16:24,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 10:16:24,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 10:16:24,308 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 10:16:24,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/indexer.i [2022-02-09 10:16:24,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b805c19a0/a4e7fca11ab840cc9577a3276353db60/FLAGc03da3141 [2022-02-09 10:16:24,873 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 10:16:24,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/indexer.i [2022-02-09 10:16:24,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b805c19a0/a4e7fca11ab840cc9577a3276353db60/FLAGc03da3141 [2022-02-09 10:16:25,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b805c19a0/a4e7fca11ab840cc9577a3276353db60 [2022-02-09 10:16:25,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 10:16:25,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 10:16:25,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 10:16:25,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 10:16:25,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 10:16:25,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:25,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44518820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25, skipping insertion in model container [2022-02-09 10:16:25,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:25,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 10:16:25,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 10:16:25,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/indexer.i[47556,47569] [2022-02-09 10:16:25,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 10:16:25,860 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 10:16:25,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/indexer.i[47556,47569] [2022-02-09 10:16:25,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 10:16:25,943 INFO L208 MainTranslator]: Completed translation [2022-02-09 10:16:25,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25 WrapperNode [2022-02-09 10:16:25,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 10:16:25,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 10:16:25,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 10:16:25,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 10:16:25,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:25,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:25,993 INFO L137 Inliner]: procedures = 269, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2022-02-09 10:16:25,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 10:16:25,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 10:16:25,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 10:16:25,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 10:16:26,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 10:16:26,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 10:16:26,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 10:16:26,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 10:16:26,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (1/1) ... [2022-02-09 10:16:26,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 10:16:26,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:26,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 10:16:26,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 10:16:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 10:16:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 10:16:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 10:16:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread_routine [2022-02-09 10:16:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_routine [2022-02-09 10:16:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 10:16:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 10:16:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 10:16:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 10:16:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 10:16:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 10:16:26,112 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 10:16:26,249 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 10:16:26,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 10:16:26,441 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 10:16:26,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 10:16:26,448 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-09 10:16:26,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:16:26 BoogieIcfgContainer [2022-02-09 10:16:26,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 10:16:26,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 10:16:26,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 10:16:26,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 10:16:26,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 10:16:25" (1/3) ... [2022-02-09 10:16:26,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307b4ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:16:26, skipping insertion in model container [2022-02-09 10:16:26,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:16:25" (2/3) ... [2022-02-09 10:16:26,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307b4ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:16:26, skipping insertion in model container [2022-02-09 10:16:26,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:16:26" (3/3) ... [2022-02-09 10:16:26,460 INFO L111 eAbstractionObserver]: Analyzing ICFG indexer.i [2022-02-09 10:16:26,465 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 10:16:26,465 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 10:16:26,465 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 10:16:26,465 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 10:16:26,501 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,501 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,501 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,501 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,502 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,502 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,502 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,502 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,502 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,502 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,503 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,504 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,505 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,505 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,505 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,505 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,505 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,506 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,506 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,506 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,506 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,506 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,507 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,507 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,507 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,507 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,507 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,507 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,508 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,508 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,508 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,508 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,508 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,508 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,509 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,509 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,509 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,509 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,509 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,509 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,510 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,510 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,510 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,510 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,511 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,511 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,511 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,512 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,512 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,512 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,512 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,512 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,513 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,514 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,514 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,514 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,514 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,514 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,514 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,515 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,516 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,517 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,518 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,519 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,520 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,520 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,520 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,520 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,520 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,521 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,521 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,521 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,521 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,521 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,522 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,522 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,522 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,522 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,522 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,523 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,524 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,525 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,525 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,525 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,525 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,525 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,525 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,526 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,526 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,526 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,526 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,526 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,527 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,527 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,527 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,527 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,527 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,527 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,528 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,528 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,528 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,529 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,529 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,529 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,529 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,529 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,530 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,530 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,530 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,530 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,530 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,531 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,531 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,534 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,535 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,535 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,535 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,535 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,535 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~tid~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,535 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,536 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~h~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,536 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,536 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,536 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~m~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,536 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,536 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~val#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,537 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,538 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~h#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,538 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,538 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,538 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~ret_val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,538 WARN L322 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_~tab#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 10:16:26,542 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 10:16:26,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 10:16:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:26,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 10:16:26,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 10:16:26,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_routineThread1of1ForFork0 ======== [2022-02-09 10:16:26,623 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 10:16:26,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-09 10:16:26,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:26,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2053267711, now seen corresponding path program 1 times [2022-02-09 10:16:26,782 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:26,782 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765269802] [2022-02-09 10:16:26,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:26,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:26,929 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:26,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765269802] [2022-02-09 10:16:26,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765269802] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:16:26,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:16:26,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 10:16:26,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027072359] [2022-02-09 10:16:26,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:16:26,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 10:16:26,944 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:26,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 10:16:26,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 10:16:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:26,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:26,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:26,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 10:16:27,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:27,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:27,004 INFO L85 PathProgramCache]: Analyzing trace with hash -23941632, now seen corresponding path program 1 times [2022-02-09 10:16:27,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:27,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658347960] [2022-02-09 10:16:27,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:27,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:27,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:27,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658347960] [2022-02-09 10:16:27,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658347960] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:16:27,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:16:27,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 10:16:27,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306274950] [2022-02-09 10:16:27,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:16:27,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 10:16:27,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:27,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 10:16:27,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 10:16:27,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:27,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:27,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 10:16:27,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:27,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2099698045, now seen corresponding path program 1 times [2022-02-09 10:16:27,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:27,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62446508] [2022-02-09 10:16:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:27,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:27,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:27,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62446508] [2022-02-09 10:16:27,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62446508] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:27,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681858241] [2022-02-09 10:16:27,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:27,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:27,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:27,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:27,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 10:16:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:27,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 10:16:27,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:27,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:27,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681858241] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:27,695 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:27,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 10:16:27,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717849895] [2022-02-09 10:16:27,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:27,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 10:16:27,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:27,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 10:16:27,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 10:16:27,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:27,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:27,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:27,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:27,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:28,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-09 10:16:28,018 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:28,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:28,019 INFO L85 PathProgramCache]: Analyzing trace with hash 687896739, now seen corresponding path program 2 times [2022-02-09 10:16:28,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:28,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203761655] [2022-02-09 10:16:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:28,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 10:16:28,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:28,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203761655] [2022-02-09 10:16:28,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203761655] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:28,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258355576] [2022-02-09 10:16:28,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 10:16:28,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:28,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:28,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:28,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 10:16:28,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 10:16:28,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:16:28,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 10:16:28,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:28,349 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-09 10:16:28,350 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-09 10:16:28,550 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 10:16:28,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 10:16:28,734 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 10:16:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 10:16:29,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 10:16:29,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258355576] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:16:29,036 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 10:16:29,036 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [9] total 23 [2022-02-09 10:16:29,036 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331441260] [2022-02-09 10:16:29,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:16:29,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-09 10:16:29,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:29,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-09 10:16:29,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-02-09 10:16:29,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:29,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:29,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:29,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:29,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:29,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:29,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:29,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:29,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:29,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:29,936 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:29,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash 11182102, now seen corresponding path program 1 times [2022-02-09 10:16:29,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:29,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382649440] [2022-02-09 10:16:29,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:29,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:30,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:30,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382649440] [2022-02-09 10:16:30,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382649440] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:30,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870528391] [2022-02-09 10:16:30,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:30,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:30,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:30,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:30,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 10:16:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:30,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 10:16:30,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:30,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:30,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870528391] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:30,480 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:30,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-09 10:16:30,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929835000] [2022-02-09 10:16:30,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:30,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 10:16:30,482 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:30,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 10:16:30,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-09 10:16:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:30,483 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:30,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:30,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:30,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:30,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:30,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:30,868 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:30,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash -989008938, now seen corresponding path program 2 times [2022-02-09 10:16:30,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:30,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061374151] [2022-02-09 10:16:30,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:30,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:31,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:31,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061374151] [2022-02-09 10:16:31,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061374151] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:31,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830159684] [2022-02-09 10:16:31,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 10:16:31,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:31,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:31,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 10:16:31,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 10:16:31,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:16:31,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 10:16:31,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:31,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:31,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830159684] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:31,756 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:31,756 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-02-09 10:16:31,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730895550] [2022-02-09 10:16:31,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:31,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-09 10:16:31,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-09 10:16:31,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-02-09 10:16:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:31,760 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:31,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.411764705882353) internal successors, (150), 34 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:31,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:31,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:31,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:31,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:31,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:31,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-09 10:16:32,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:32,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:32,496 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:32,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1714381654, now seen corresponding path program 3 times [2022-02-09 10:16:32,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:32,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708329451] [2022-02-09 10:16:32,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:32,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:32,905 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 10:16:32,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:32,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708329451] [2022-02-09 10:16:32,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708329451] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:32,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250975907] [2022-02-09 10:16:32,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 10:16:32,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:32,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:32,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:32,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 10:16:33,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-09 10:16:33,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:16:33,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-09 10:16:33,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:33,138 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-09 10:16:33,138 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-09 10:16:33,727 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 10:16:33,782 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 10:16:33,937 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 10:16:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-02-09 10:16:34,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:36,293 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread_routineThread1of1ForFork0_~w~0#1_22| Int) (v_ArrVal_266 (Array Int Int)) (|v_thread_routineThread1of1ForFork0_#t~pre6#1_23| Int)) (let ((.cse0 (* 7 |v_thread_routineThread1of1ForFork0_~w~0#1_22|))) (or (< |v_thread_routineThread1of1ForFork0_~w~0#1_22| (+ (* |v_thread_routineThread1of1ForFork0_#t~pre6#1_23| 11) (select (select (store |c_#memory_int| |c_~#tids~0.base| v_ArrVal_266) |c_ULTIMATE.start_main_~#arg~0#1.base|) |c_ULTIMATE.start_main_~#arg~0#1.offset|))) (= (mod .cse0 128) 0) (< |v_thread_routineThread1of1ForFork0_#t~pre6#1_23| 2) (<= 0 .cse0)))) is different from false [2022-02-09 10:16:36,420 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 10:16:36,420 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-02-09 10:16:36,426 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2022-02-09 10:16:36,430 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-02-09 10:16:36,928 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-09 10:16:36,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-02-09 10:16:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-02-09 10:16:36,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250975907] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:36,945 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:36,945 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 17, 17] total 62 [2022-02-09 10:16:36,945 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280626322] [2022-02-09 10:16:36,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:36,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-02-09 10:16:36,946 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:36,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-02-09 10:16:36,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=3286, Unknown=1, NotChecked=118, Total=3782 [2022-02-09 10:16:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:36,948 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:36,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.629032258064516) internal successors, (287), 62 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 10:16:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 10:16:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-09 10:16:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:39,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:39,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:40,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:40,082 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:40,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:40,082 INFO L85 PathProgramCache]: Analyzing trace with hash -872839887, now seen corresponding path program 1 times [2022-02-09 10:16:40,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:40,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980866527] [2022-02-09 10:16:40,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:40,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-02-09 10:16:40,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:40,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980866527] [2022-02-09 10:16:40,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980866527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:16:40,193 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:16:40,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 10:16:40,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865261857] [2022-02-09 10:16:40,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:16:40,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 10:16:40,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:40,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 10:16:40,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 10:16:40,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:40,195 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:40,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:40,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:40,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:40,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:40,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:40,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:40,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:40,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:40,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:16:40,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-09 10:16:40,289 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:40,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:40,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1028246020, now seen corresponding path program 1 times [2022-02-09 10:16:40,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:40,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265637183] [2022-02-09 10:16:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:40,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:40,405 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 110 proven. 1 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2022-02-09 10:16:40,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:40,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265637183] [2022-02-09 10:16:40,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265637183] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:40,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371475582] [2022-02-09 10:16:40,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:40,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:40,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:40,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 10:16:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:40,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 10:16:40,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-02-09 10:16:41,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-02-09 10:16:42,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371475582] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:42,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:42,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 35, 35] total 70 [2022-02-09 10:16:42,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128448272] [2022-02-09 10:16:42,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:42,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-09 10:16:42,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:42,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-09 10:16:42,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=3602, Unknown=0, NotChecked=0, Total=4830 [2022-02-09 10:16:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:42,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:42,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.4) internal successors, (308), 70 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:42,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:42,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:42,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:42,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:16:42,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:16:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:16:44,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:44,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:44,576 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1797917552, now seen corresponding path program 1 times [2022-02-09 10:16:44,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:44,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589637947] [2022-02-09 10:16:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:44,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 0 proven. 2673 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-02-09 10:16:46,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:16:46,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589637947] [2022-02-09 10:16:46,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589637947] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:16:46,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410107618] [2022-02-09 10:16:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:46,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:16:46,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:16:46,092 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:16:46,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 10:16:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:16:46,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 68 conjunts are in the unsatisfiable core [2022-02-09 10:16:46,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:16:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 0 proven. 2673 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-02-09 10:16:46,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:16:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 0 proven. 2673 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-02-09 10:16:50,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410107618] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:16:50,095 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:16:50,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 138 [2022-02-09 10:16:50,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141674054] [2022-02-09 10:16:50,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:16:50,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2022-02-09 10:16:50,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:16:50,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2022-02-09 10:16:50,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4830, Invalid=14076, Unknown=0, NotChecked=0, Total=18906 [2022-02-09 10:16:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:50,102 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:16:50,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 3.0434782608695654) internal successors, (420), 138 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:16:50,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:16:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:16:56,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 10:16:56,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 10:16:56,416 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:16:56,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:16:56,416 INFO L85 PathProgramCache]: Analyzing trace with hash -347711600, now seen corresponding path program 2 times [2022-02-09 10:16:56,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:16:56,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758921455] [2022-02-09 10:16:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:16:56,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:16:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:17:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11298 backedges. 0 proven. 11122 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-02-09 10:17:01,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:17:01,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758921455] [2022-02-09 10:17:01,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758921455] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:17:01,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446979992] [2022-02-09 10:17:01,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 10:17:01,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:17:01,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:17:01,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:17:01,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 10:17:01,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 10:17:01,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:17:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 136 conjunts are in the unsatisfiable core [2022-02-09 10:17:01,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:17:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11298 backedges. 0 proven. 11122 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-02-09 10:17:02,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:17:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11298 backedges. 0 proven. 11122 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-02-09 10:17:12,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446979992] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:17:12,431 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:17:12,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137, 137] total 259 [2022-02-09 10:17:12,432 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125321193] [2022-02-09 10:17:12,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:17:12,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 259 states [2022-02-09 10:17:12,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:17:12,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2022-02-09 10:17:12,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16899, Invalid=49923, Unknown=0, NotChecked=0, Total=66822 [2022-02-09 10:17:12,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:17:12,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:17:12,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 259 states, 259 states have (on average 2.799227799227799) internal successors, (725), 259 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:17:12,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:17:12,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:17:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:17:34,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:17:34,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 10:17:34,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:17:34,424 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:17:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:17:34,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1454439085, now seen corresponding path program 3 times [2022-02-09 10:17:34,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:17:34,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868476588] [2022-02-09 10:17:34,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:17:34,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:17:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:17:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 40944 backedges. 126 proven. 31 refuted. 0 times theorem prover too weak. 40787 trivial. 0 not checked. [2022-02-09 10:17:35,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:17:35,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868476588] [2022-02-09 10:17:35,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868476588] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:17:35,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553969602] [2022-02-09 10:17:35,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 10:17:35,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:17:35,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:17:35,708 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:17:35,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 10:17:35,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 10:17:35,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:17:35,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 41 conjunts are in the unsatisfiable core [2022-02-09 10:17:36,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:17:36,303 INFO L353 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2022-02-09 10:17:36,303 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 32 [2022-02-09 10:17:46,479 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 10:17:46,656 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 10:17:46,908 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 10:17:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 40944 backedges. 140 proven. 17 refuted. 0 times theorem prover too weak. 40787 trivial. 0 not checked. [2022-02-09 10:17:47,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:17:51,500 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread_routineThread1of1ForFork0_~w~0#1_44| Int) (v_ArrVal_1564 (Array Int Int)) (|v_thread_routineThread1of1ForFork0_#t~pre6#1_55| Int)) (let ((.cse0 (* 7 |v_thread_routineThread1of1ForFork0_~w~0#1_44|))) (or (= (mod .cse0 128) 0) (<= 0 .cse0) (< |v_thread_routineThread1of1ForFork0_~w~0#1_44| (+ (* |v_thread_routineThread1of1ForFork0_#t~pre6#1_55| 11) (select (select (store |c_#memory_int| |c_~#tids~0.base| v_ArrVal_1564) |c_ULTIMATE.start_main_~#arg~0#1.base|) |c_ULTIMATE.start_main_~#arg~0#1.offset|))) (< |v_thread_routineThread1of1ForFork0_#t~pre6#1_55| 4)))) is different from false [2022-02-09 10:17:51,569 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 10:17:51,569 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-02-09 10:17:51,572 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2022-02-09 10:17:51,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-02-09 10:17:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 40944 backedges. 140 proven. 17 refuted. 0 times theorem prover too weak. 40787 trivial. 0 not checked. [2022-02-09 10:17:52,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553969602] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:17:52,925 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:17:52,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 19] total 53 [2022-02-09 10:17:52,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013736787] [2022-02-09 10:17:52,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:17:52,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-09 10:17:52,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:17:52,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-09 10:17:52,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2435, Unknown=1, NotChecked=100, Total=2756 [2022-02-09 10:17:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:17:52,928 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:17:52,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 8.60377358490566) internal successors, (456), 53 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:17:52,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:17:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:17:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-02-09 10:18:02,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-09 10:18:02,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 10:18:02,260 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:18:02,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash -499613943, now seen corresponding path program 1 times [2022-02-09 10:18:02,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:02,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489714030] [2022-02-09 10:18:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:02,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 40770 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40768 trivial. 0 not checked. [2022-02-09 10:18:02,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:02,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489714030] [2022-02-09 10:18:02,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489714030] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:02,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487659900] [2022-02-09 10:18:02,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:02,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:02,747 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:02,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 10:18:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:03,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-09 10:18:03,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:04,248 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 10:18:04,274 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 10:18:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 40770 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40768 trivial. 0 not checked. [2022-02-09 10:18:04,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 10:18:04,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487659900] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:18:04,409 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 10:18:04,409 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 26 [2022-02-09 10:18:04,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677531193] [2022-02-09 10:18:04,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:18:04,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-09 10:18:04,410 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:04,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-09 10:18:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-02-09 10:18:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:04,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:04,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 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) [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:04,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-02-09 10:18:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:18:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:18:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:18:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:18:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-02-09 10:18:04,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:09,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-02-09 10:18:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:18:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 10:18:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 10:18:09,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 10:18:09,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-09 10:18:09,347 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 10:18:09,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:09,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1387096759, now seen corresponding path program 2 times [2022-02-09 10:18:09,347 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:09,347 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672863834] [2022-02-09 10:18:09,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:09,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 40773 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40768 trivial. 0 not checked. [2022-02-09 10:18:10,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:10,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672863834] [2022-02-09 10:18:10,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672863834] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:10,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118105384] [2022-02-09 10:18:10,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 10:18:10,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:10,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:10,236 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:10,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 10:18:10,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 10:18:10,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:18:10,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-09 10:18:10,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:10,662 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-09 10:18:10,662 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-09 10:18:14,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 10:18:14,661 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-09 10:18:14,689 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-09 10:18:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 40773 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 40768 trivial. 0 not checked. [2022-02-09 10:18:14,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:18:15,183 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread_routineThread1of1ForFork0_~w~0#1_50| Int) (|v_thread_routineThread1of1ForFork0_#t~pre6#1_64| Int) (v_ArrVal_2641 (Array Int Int))) (let ((.cse0 (* 7 |v_thread_routineThread1of1ForFork0_~w~0#1_50|))) (or (<= 0 .cse0) (not (<= (+ |c_thread_routineThread1of1ForFork0_~m~0#1| 1) |v_thread_routineThread1of1ForFork0_#t~pre6#1_64|)) (= (mod .cse0 128) 0) (< |v_thread_routineThread1of1ForFork0_~w~0#1_50| (+ (* |v_thread_routineThread1of1ForFork0_#t~pre6#1_64| 11) (select (select (store |c_#memory_int| |c_~#tids~0.base| v_ArrVal_2641) |c_thread_routineThread1of1ForFork0_~arg#1.base|) |c_thread_routineThread1of1ForFork0_~arg#1.offset|)))))) is different from false [2022-02-09 10:18:15,247 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 10:18:15,248 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-02-09 10:18:15,263 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 10:18:15,263 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 41 [2022-02-09 10:18:15,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-02-09 10:18:18,600 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-09 10:18:18,600 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-02-09 10:18:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 40773 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40768 trivial. 3 not checked. [2022-02-09 10:18:18,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118105384] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:18:18,615 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:18:18,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2022-02-09 10:18:18,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657219998] [2022-02-09 10:18:18,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:18:18,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-02-09 10:18:18,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-02-09 10:18:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1800, Unknown=1, NotChecked=86, Total=2070 [2022-02-09 10:18:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:18,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:18,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.4130434782608696) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 10:18:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 10:18:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 10:18:19,308 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-09 10:18:19,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 10:18:19,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-09 10:18:19,525 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1] [2022-02-09 10:18:19,525 INFO L309 ceAbstractionStarter]: Result for error location thread_routineThread1of1ForFork0 was SAFE (1/2) [2022-02-09 10:18:19,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 10:18:19,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:19,529 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 10:18:19,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2022-02-09 10:18:19,534 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 10:18:19,534 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 10:18:19,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-09 10:18:19,584 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:19,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:19,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1973979282, now seen corresponding path program 1 times [2022-02-09 10:18:19,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:19,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179626199] [2022-02-09 10:18:19,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:19,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:19,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:19,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179626199] [2022-02-09 10:18:19,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179626199] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:18:19,598 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:18:19,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 10:18:19,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297730432] [2022-02-09 10:18:19,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:18:19,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 10:18:19,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:19,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 10:18:19,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 10:18:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:19,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:19,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-09 10:18:19,611 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:19,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1129507411, now seen corresponding path program 1 times [2022-02-09 10:18:19,611 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:19,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709174065] [2022-02-09 10:18:19,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:19,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:19,628 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:19,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709174065] [2022-02-09 10:18:19,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709174065] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 10:18:19,628 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 10:18:19,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 10:18:19,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186096326] [2022-02-09 10:18:19,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 10:18:19,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 10:18:19,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 10:18:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 10:18:19,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,629 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:19,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:19,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:19,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-09 10:18:19,648 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:19,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1175273194, now seen corresponding path program 1 times [2022-02-09 10:18:19,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:19,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50268184] [2022-02-09 10:18:19,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:19,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:19,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:19,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50268184] [2022-02-09 10:18:19,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50268184] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:19,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778621685] [2022-02-09 10:18:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:19,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:19,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:19,679 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:19,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 10:18:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:19,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 10:18:19,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:19,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:18:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:19,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778621685] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:18:19,985 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:18:19,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 10:18:19,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131818571] [2022-02-09 10:18:19,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:18:19,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 10:18:19,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:19,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 10:18:19,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 10:18:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,986 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:19,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:19,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:20,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:20,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:20,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:20,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-09 10:18:20,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:20,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1677055178, now seen corresponding path program 2 times [2022-02-09 10:18:20,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:20,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321571092] [2022-02-09 10:18:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:20,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:20,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:20,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321571092] [2022-02-09 10:18:20,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321571092] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:20,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325322501] [2022-02-09 10:18:20,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 10:18:20,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:20,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:20,288 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:20,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 10:18:20,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 10:18:20,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:18:20,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 10:18:20,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:20,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:18:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:20,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325322501] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:18:20,644 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:18:20,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-09 10:18:20,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298853366] [2022-02-09 10:18:20,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:18:20,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 10:18:20,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:20,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 10:18:20,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-09 10:18:20,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:20,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:20,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.166666666666667) internal successors, (75), 18 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:20,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:20,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:20,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-09 10:18:20,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-09 10:18:20,980 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:20,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:20,980 INFO L85 PathProgramCache]: Analyzing trace with hash 894994294, now seen corresponding path program 3 times [2022-02-09 10:18:20,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:20,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907389043] [2022-02-09 10:18:20,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:20,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:21,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:21,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907389043] [2022-02-09 10:18:21,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907389043] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:21,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685009835] [2022-02-09 10:18:21,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 10:18:21,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:21,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:21,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:21,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 10:18:21,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-09 10:18:21,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:18:21,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 10:18:21,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:21,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:18:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:21,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685009835] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:18:21,718 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:18:21,718 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-02-09 10:18:21,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246935140] [2022-02-09 10:18:21,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:18:21,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-09 10:18:21,719 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:21,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-09 10:18:21,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-02-09 10:18:21,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:21,720 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:21,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 34 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:21,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:21,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:21,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:21,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:21,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:22,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-09 10:18:22,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:22,366 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:22,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:22,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1528078346, now seen corresponding path program 4 times [2022-02-09 10:18:22,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:22,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15459818] [2022-02-09 10:18:22,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:22,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:22,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:22,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15459818] [2022-02-09 10:18:22,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15459818] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:22,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655130067] [2022-02-09 10:18:22,728 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 10:18:22,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:22,729 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:22,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 10:18:22,910 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 10:18:22,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:18:22,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-09 10:18:22,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:23,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:18:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:23,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655130067] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:18:23,888 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:18:23,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2022-02-09 10:18:23,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356278651] [2022-02-09 10:18:23,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:18:23,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-02-09 10:18:23,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:23,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-02-09 10:18:23,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2022-02-09 10:18:23,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:23,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:23,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.9545454545454546) internal successors, (195), 66 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:23,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:23,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:23,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:23,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:23,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:23,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-02-09 10:18:25,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 10:18:25,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:25,520 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:25,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:25,521 INFO L85 PathProgramCache]: Analyzing trace with hash 665424118, now seen corresponding path program 5 times [2022-02-09 10:18:25,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:25,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115560766] [2022-02-09 10:18:25,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:25,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2362 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:26,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:26,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115560766] [2022-02-09 10:18:26,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115560766] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:26,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570282400] [2022-02-09 10:18:26,629 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 10:18:26,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:26,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:26,630 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:26,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 10:18:35,081 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-02-09 10:18:35,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 10:18:35,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-09 10:18:35,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 10:18:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2362 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:35,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 10:18:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2362 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:38,164 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570282400] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 10:18:38,164 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 10:18:38,164 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2022-02-09 10:18:38,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704899498] [2022-02-09 10:18:38,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 10:18:38,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-02-09 10:18:38,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:18:38,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-02-09 10:18:38,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2022-02-09 10:18:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:38,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:18:38,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.730769230769231) internal successors, (355), 130 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-02-09 10:18:38,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-02-09 10:18:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-02-09 10:18:43,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-02-09 10:18:43,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:43,648 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 10:18:43,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 10:18:43,648 INFO L85 PathProgramCache]: Analyzing trace with hash -108530954, now seen corresponding path program 6 times [2022-02-09 10:18:43,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 10:18:43,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109246583] [2022-02-09 10:18:43,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 10:18:43,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 10:18:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 10:18:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9834 backedges. 0 proven. 9828 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 10:18:47,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 10:18:47,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109246583] [2022-02-09 10:18:47,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109246583] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 10:18:47,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981176651] [2022-02-09 10:18:47,792 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 10:18:47,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 10:18:47,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 10:18:47,793 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 10:18:47,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process Received shutdown request... [2022-02-09 10:30:22,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:22,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:22,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:22,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 10:30:23,065 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 [2022-02-09 10:30:23,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-09 10:30:23,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Forceful destruction successful, exit code 0 [2022-02-09 10:30:23,257 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forcibly destroying the process [2022-02-09 10:30:23,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 137 [2022-02-09 10:30:23,308 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-09 10:30:23,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-02-09 10:30:23,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2022-02-09 10:30:23,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978631100] [2022-02-09 10:30:23,308 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-02-09 10:30:23,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2022-02-09 10:30:23,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 10:30:23,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2022-02-09 10:30:23,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4224, Invalid=12288, Unknown=0, NotChecked=0, Total=16512 [2022-02-09 10:30:23,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:30:23,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 10:30:23,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 2.7364341085271318) internal successors, (353), 129 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 10:30:23,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:30:23,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 10:30:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 10:30:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 10:30:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 10:30:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-02-09 10:30:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2022-02-09 10:30:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 10:30:23,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-09 10:30:23,311 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-09 10:30:23,311 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-02-09 10:30:23,313 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2022-02-09 10:30:23,313 INFO L309 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT (2/2) [2022-02-09 10:30:23,314 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 10:30:23,314 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 10:30:23,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 10:30:23 BasicIcfg [2022-02-09 10:30:23,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 10:30:23,318 INFO L158 Benchmark]: Toolchain (without parser) took 837966.50ms. Allocated memory was 192.9MB in the beginning and 588.3MB in the end (delta: 395.3MB). Free memory was 132.9MB in the beginning and 415.1MB in the end (delta: -282.2MB). Peak memory consumption was 114.6MB. Max. memory is 8.0GB. [2022-02-09 10:30:23,318 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 10:30:23,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.65ms. Allocated memory was 192.9MB in the beginning and 283.1MB in the end (delta: 90.2MB). Free memory was 132.8MB in the beginning and 233.6MB in the end (delta: -100.8MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-02-09 10:30:23,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.84ms. Allocated memory is still 283.1MB. Free memory was 233.6MB in the beginning and 231.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 10:30:23,318 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 283.1MB. Free memory was 231.1MB in the beginning and 229.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 10:30:23,319 INFO L158 Benchmark]: RCFGBuilder took 428.73ms. Allocated memory is still 283.1MB. Free memory was 229.5MB in the beginning and 214.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-09 10:30:23,319 INFO L158 Benchmark]: TraceAbstraction took 836864.48ms. Allocated memory was 283.1MB in the beginning and 588.3MB in the end (delta: 305.1MB). Free memory was 213.8MB in the beginning and 415.1MB in the end (delta: -201.3MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB. [2022-02-09 10:30:23,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 592.65ms. Allocated memory was 192.9MB in the beginning and 283.1MB in the end (delta: 90.2MB). Free memory was 132.8MB in the beginning and 233.6MB in the end (delta: -100.8MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.84ms. Allocated memory is still 283.1MB. Free memory was 233.6MB in the beginning and 231.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 283.1MB. Free memory was 231.1MB in the beginning and 229.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 428.73ms. Allocated memory is still 283.1MB. Free memory was 229.5MB in the beginning and 214.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 836864.48ms. Allocated memory was 283.1MB in the beginning and 588.3MB in the end (delta: 305.1MB). Free memory was 213.8MB in the beginning and 415.1MB in the end (delta: -201.3MB). Peak memory consumption was 104.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15614, positive: 11702, positive conditional: 8362, positive unconditional: 3340, negative: 3912, negative conditional: 3864, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11854, positive: 11702, positive conditional: 8362, positive unconditional: 3340, negative: 152, negative conditional: 104, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11854, positive: 11702, positive conditional: 8362, positive unconditional: 3340, negative: 152, negative conditional: 104, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12666, positive: 11702, positive conditional: 8317, positive unconditional: 3385, negative: 964, negative conditional: 812, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12666, positive: 11702, positive conditional: 2475, positive unconditional: 9227, negative: 964, negative conditional: 716, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12666, positive: 11702, positive conditional: 2475, positive unconditional: 9227, negative: 964, negative conditional: 716, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2591, positive: 2469, positive conditional: 1, positive unconditional: 2468, negative: 122, negative conditional: 74, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2591, positive: 2426, positive conditional: 0, positive unconditional: 2426, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 165, positive: 43, positive conditional: 1, positive unconditional: 42, negative: 122, negative conditional: 74, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 106, positive conditional: 1, positive unconditional: 105, negative: 244, negative conditional: 162, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12666, positive: 9233, positive conditional: 2474, positive unconditional: 6759, negative: 842, negative conditional: 642, negative unconditional: 200, unknown: 2591, unknown conditional: 75, unknown unconditional: 2516] , Statistics on independence cache: Total cache size (in pairs): 2591, Positive cache size: 2469, Positive conditional cache size: 1, Positive unconditional cache size: 2468, Negative cache size: 122, Negative conditional cache size: 74, Negative unconditional cache size: 48, Eliminated conditions: 5938, Maximal queried relation: 10, Independence queries for same thread: 3760 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 304, Number of trivial persistent sets: 205, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3388, positive: 3340, positive conditional: 0, positive unconditional: 3340, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15614, positive: 11702, positive conditional: 8362, positive unconditional: 3340, negative: 3912, negative conditional: 3864, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11854, positive: 11702, positive conditional: 8362, positive unconditional: 3340, negative: 152, negative conditional: 104, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11854, positive: 11702, positive conditional: 8362, positive unconditional: 3340, negative: 152, negative conditional: 104, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12666, positive: 11702, positive conditional: 8317, positive unconditional: 3385, negative: 964, negative conditional: 812, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12666, positive: 11702, positive conditional: 2475, positive unconditional: 9227, negative: 964, negative conditional: 716, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12666, positive: 11702, positive conditional: 2475, positive unconditional: 9227, negative: 964, negative conditional: 716, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2591, positive: 2469, positive conditional: 1, positive unconditional: 2468, negative: 122, negative conditional: 74, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2591, positive: 2426, positive conditional: 0, positive unconditional: 2426, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 165, positive: 43, positive conditional: 1, positive unconditional: 42, negative: 122, negative conditional: 74, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 351, positive: 106, positive conditional: 1, positive unconditional: 105, negative: 244, negative conditional: 162, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12666, positive: 9233, positive conditional: 2474, positive unconditional: 6759, negative: 842, negative conditional: 642, negative unconditional: 200, unknown: 2591, unknown conditional: 75, unknown unconditional: 2516] , Statistics on independence cache: Total cache size (in pairs): 2591, Positive cache size: 2469, Positive conditional cache size: 1, Positive unconditional cache size: 2468, Negative cache size: 122, Negative conditional cache size: 74, Negative unconditional cache size: 48, Eliminated conditions: 5938, Maximal queried relation: 10, Independence queries for same thread: 3760 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1086, positive: 697, positive conditional: 88, positive unconditional: 609, negative: 389, negative conditional: 386, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 88, positive unconditional: 609, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 88, positive unconditional: 609, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 49, positive unconditional: 648, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 700, positive: 697, positive conditional: 16, positive unconditional: 681, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 16, positive unconditional: 681, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 598, positive: 595, positive conditional: 0, positive unconditional: 595, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 598, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 700, positive: 102, positive conditional: 16, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 598, unknown conditional: 0, unknown unconditional: 598] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 595, Positive conditional cache size: 0, Positive unconditional cache size: 595, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 33, Maximal queried relation: 0, Independence queries for same thread: 386 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 47, Number of trivial persistent sets: 47, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 612, positive: 609, positive conditional: 0, positive unconditional: 609, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1086, positive: 697, positive conditional: 88, positive unconditional: 609, negative: 389, negative conditional: 386, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 88, positive unconditional: 609, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 88, positive unconditional: 609, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 49, positive unconditional: 648, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 700, positive: 697, positive conditional: 16, positive unconditional: 681, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 700, positive: 697, positive conditional: 16, positive unconditional: 681, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 598, positive: 595, positive conditional: 0, positive unconditional: 595, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 598, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 700, positive: 102, positive conditional: 16, positive unconditional: 86, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 598, unknown conditional: 0, unknown unconditional: 598] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 595, Positive conditional cache size: 0, Positive unconditional cache size: 595, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 33, Maximal queried relation: 0, Independence queries for same thread: 386 - 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 - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_routineThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 157 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 112.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 49.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1012, 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: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 57.7s InterpolantComputationTime, 7881 NumberOfCodeBlocks, 7166 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 10871 ConstructedInterpolants, 222 QuantifiedInterpolants, 62902 SizeOfPredicates, 336 NumberOfNonLiveVariables, 6527 ConjunctsInSsa, 417 ConjunctsInUnsatCore, 34 InterpolantComputations, 5 PerfectInterpolantSequences, 330674/374333 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, 157 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 723.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 7.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 367, 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: 0.1s SsaConstructionTime, 8.5s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 1444 NumberOfCodeBlocks, 1444 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1926 ConstructedInterpolants, 0 QuantifiedInterpolants, 4300 SizeOfPredicates, 114 NumberOfNonLiveVariables, 1140 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 18 InterpolantComputations, 2 PerfectInterpolantSequences, 108/19017 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown