/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/weaver/popl20-more-parray-copy.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 02:17:57,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 02:17:57,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 02:17:57,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 02:17:57,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 02:17:57,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 02:17:57,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 02:17:57,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 02:17:57,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 02:17:57,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 02:17:57,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 02:17:57,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 02:17:57,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 02:17:57,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 02:17:57,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 02:17:57,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 02:17:57,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 02:17:57,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 02:17:57,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 02:17:57,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 02:17:57,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 02:17:57,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 02:17:57,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 02:17:57,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 02:17:57,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 02:17:57,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 02:17:57,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 02:17:57,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 02:17:57,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 02:17:57,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 02:17:57,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 02:17:57,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 02:17:57,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 02:17:57,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 02:17:57,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 02:17:57,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 02:17:57,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 02:17:57,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 02:17:57,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 02:17:57,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 02:17:57,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 02:17:57,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 02:17:58,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 02:17:58,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 02:17:58,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 02:17:58,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 02:17:58,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 02:17:58,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 02:17:58,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 02:17:58,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 02:17:58,014 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 02:17:58,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 02:17:58,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 02:17:58,016 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 02:17:58,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 02:17:58,016 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 02:17:58,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 02:17:58,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 02:17:58,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 02:17:58,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 02:17:58,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 02:17:58,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 02:17:58,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 02:17:58,017 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 02:17:58,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 02:17:58,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 02:17:58,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 02:17:58,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 02:17:58,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 02:17:58,214 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 02:17:58,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c [2022-02-19 02:17:58,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e75ff8cf/82363b7443c04bd1b1e4bd768daa3af5/FLAG803c0d46b [2022-02-19 02:17:58,643 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 02:17:58,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c [2022-02-19 02:17:58,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e75ff8cf/82363b7443c04bd1b1e4bd768daa3af5/FLAG803c0d46b [2022-02-19 02:17:59,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e75ff8cf/82363b7443c04bd1b1e4bd768daa3af5 [2022-02-19 02:17:59,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 02:17:59,074 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 02:17:59,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 02:17:59,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 02:17:59,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 02:17:59,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119c9988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59, skipping insertion in model container [2022-02-19 02:17:59,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 02:17:59,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 02:17:59,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c[2385,2398] [2022-02-19 02:17:59,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 02:17:59,307 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 02:17:59,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c[2385,2398] [2022-02-19 02:17:59,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 02:17:59,354 INFO L208 MainTranslator]: Completed translation [2022-02-19 02:17:59,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59 WrapperNode [2022-02-19 02:17:59,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 02:17:59,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 02:17:59,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 02:17:59,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 02:17:59,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,402 INFO L137 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 139 [2022-02-19 02:17:59,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 02:17:59,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 02:17:59,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 02:17:59,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 02:17:59,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 02:17:59,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 02:17:59,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 02:17:59,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 02:17:59,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (1/1) ... [2022-02-19 02:17:59,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 02:17:59,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:17:59,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 02:17:59,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 02:17:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 02:17:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 02:17:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 02:17:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 02:17:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 02:17:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 02:17:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 02:17:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 02:17:59,515 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 02:17:59,592 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 02:17:59,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 02:17:59,844 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 02:17:59,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 02:17:59,852 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-19 02:17:59,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:17:59 BoogieIcfgContainer [2022-02-19 02:17:59,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 02:17:59,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 02:17:59,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 02:17:59,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 02:17:59,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 02:17:59" (1/3) ... [2022-02-19 02:17:59,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d624a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:17:59, skipping insertion in model container [2022-02-19 02:17:59,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:17:59" (2/3) ... [2022-02-19 02:17:59,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d624a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:17:59, skipping insertion in model container [2022-02-19 02:17:59,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:17:59" (3/3) ... [2022-02-19 02:17:59,861 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-parray-copy.wvr.c [2022-02-19 02:17:59,864 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 02:17:59,864 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 02:17:59,864 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 02:17:59,864 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 02:17:59,891 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,892 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,893 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,894 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,895 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,896 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,896 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,896 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,896 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,896 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,896 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,897 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,898 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,898 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,898 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,899 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,899 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,899 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,899 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,899 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,900 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,902 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,902 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,903 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,904 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,904 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,905 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,905 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,907 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,908 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,909 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,909 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,909 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,910 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,910 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,910 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,912 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,913 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,913 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,913 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,914 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,916 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,916 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,916 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,918 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,918 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,919 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,920 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,920 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,921 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:17:59,923 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 02:17:59,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 02:17:59,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:17:59,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 02:17:59,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 02:17:59,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 02:17:59,981 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 02:17:59,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 02:18:00,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:00,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:00,137 INFO L85 PathProgramCache]: Analyzing trace with hash 967078708, now seen corresponding path program 1 times [2022-02-19 02:18:00,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:00,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495316308] [2022-02-19 02:18:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:00,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:18:00,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:00,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495316308] [2022-02-19 02:18:00,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495316308] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:18:00,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:18:00,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 02:18:00,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004505388] [2022-02-19 02:18:00,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:18:00,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 02:18:00,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:00,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 02:18:00,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 02:18:00,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,362 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:00,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:00,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 02:18:00,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:00,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:00,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1169121085, now seen corresponding path program 1 times [2022-02-19 02:18:00,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:00,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619640494] [2022-02-19 02:18:00,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:00,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:18:00,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:00,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619640494] [2022-02-19 02:18:00,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619640494] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:18:00,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:18:00,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 02:18:00,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617106779] [2022-02-19 02:18:00,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:18:00,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 02:18:00,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:00,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 02:18:00,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-19 02:18:00,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,787 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:00,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:00,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 02:18:00,931 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:00,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:00,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1898335875, now seen corresponding path program 1 times [2022-02-19 02:18:00,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:00,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142986153] [2022-02-19 02:18:00,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:18:01,246 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:01,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142986153] [2022-02-19 02:18:01,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142986153] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:18:01,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:18:01,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-19 02:18:01,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437367364] [2022-02-19 02:18:01,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:18:01,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 02:18:01,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:01,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 02:18:01,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-19 02:18:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:01,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:01,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.77777777777778) internal successors, (151), 9 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:01,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:01,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:01,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:01,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 02:18:01,438 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:01,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:01,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1251006792, now seen corresponding path program 1 times [2022-02-19 02:18:01,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:01,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118167664] [2022-02-19 02:18:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:01,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:01,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118167664] [2022-02-19 02:18:01,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118167664] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:01,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947860076] [2022-02-19 02:18:01,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:01,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:01,528 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) [2022-02-19 02:18:01,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 02:18:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:01,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 02:18:01,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:02,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:02,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947860076] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:02,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-19 02:18:02,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-19 02:18:02,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420760793] [2022-02-19 02:18:02,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:18:02,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 02:18:02,355 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:02,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 02:18:02,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-19 02:18:02,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:02,356 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:02,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:02,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:02,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:02,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:02,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:02,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:02,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 02:18:02,647 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,SelfDestructingSolverStorable3 [2022-02-19 02:18:02,648 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:02,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash -330328912, now seen corresponding path program 1 times [2022-02-19 02:18:02,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:02,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468119224] [2022-02-19 02:18:02,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:03,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:03,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468119224] [2022-02-19 02:18:03,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468119224] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:03,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439576026] [2022-02-19 02:18:03,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:03,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:03,889 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) [2022-02-19 02:18:03,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 02:18:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:04,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 82 conjunts are in the unsatisfiable core [2022-02-19 02:18:04,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:04,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-19 02:18:04,098 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-19 02:18:04,098 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 12 treesize of output 14 [2022-02-19 02:18:04,151 INFO L353 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-19 02:18:04,151 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2022-02-19 02:18:04,474 INFO L353 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2022-02-19 02:18:04,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 27 treesize of output 45 [2022-02-19 02:18:04,785 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-19 02:18:05,650 INFO L353 Elim1Store]: treesize reduction 40, result has 29.8 percent of original size [2022-02-19 02:18:05,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 32 [2022-02-19 02:18:05,882 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 6 treesize of output 5 [2022-02-19 02:18:06,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 02:18:06,484 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 02:18:06,578 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 02:18:06,655 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 6 treesize of output 5 [2022-02-19 02:18:06,922 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 23 treesize of output 23 [2022-02-19 02:18:07,083 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:18:08,040 INFO L353 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2022-02-19 02:18:08,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 16 [2022-02-19 02:18:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:08,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 02:18:13,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439576026] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:18:13,168 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:18:13,169 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 40, 17] total 82 [2022-02-19 02:18:13,169 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247390551] [2022-02-19 02:18:13,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:18:13,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-02-19 02:18:13,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-02-19 02:18:13,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=6327, Unknown=4, NotChecked=0, Total=6642 [2022-02-19 02:18:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:13,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:13,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 5.560975609756097) internal successors, (456), 82 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) [2022-02-19 02:18:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:13,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-19 02:18:18,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-19 02:18:18,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:18,687 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:18,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1593287088, now seen corresponding path program 2 times [2022-02-19 02:18:18,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:18,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253668455] [2022-02-19 02:18:18,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:18,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:18,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:18,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253668455] [2022-02-19 02:18:18,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253668455] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:18,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743475317] [2022-02-19 02:18:18,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 02:18:18,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:18,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:18,898 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) [2022-02-19 02:18:18,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 02:18:19,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 02:18:19,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:18:19,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-19 02:18:19,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:19,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:19,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743475317] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:18:19,937 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:18:19,937 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2022-02-19 02:18:19,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033170830] [2022-02-19 02:18:19,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:18:19,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-19 02:18:19,938 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-19 02:18:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2022-02-19 02:18:19,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:19,939 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:19,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.7) internal successors, (321), 30 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:19,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:19,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:19,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:19,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:19,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-19 02:18:19,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:20,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-19 02:18:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:20,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 02:18:20,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:20,827 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:20,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:20,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1128279280, now seen corresponding path program 3 times [2022-02-19 02:18:20,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:20,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462280829] [2022-02-19 02:18:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:20,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:22,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:22,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462280829] [2022-02-19 02:18:22,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462280829] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:22,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056573974] [2022-02-19 02:18:22,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 02:18:22,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:22,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:22,019 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) [2022-02-19 02:18:22,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 02:18:22,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-19 02:18:22,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:18:22,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 60 conjunts are in the unsatisfiable core [2022-02-19 02:18:22,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:22,174 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-19 02:18:22,428 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-19 02:18:22,428 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 [2022-02-19 02:18:22,928 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 23 treesize of output 23 [2022-02-19 02:18:23,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:18:23,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 02:18:23,705 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-02-19 02:18:23,705 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 13 [2022-02-19 02:18:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 02:18:23,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:26,010 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:18:26,010 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 102 treesize of output 98 [2022-02-19 02:18:26,052 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-02-19 02:18:26,052 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 49 treesize of output 34 [2022-02-19 02:18:26,089 INFO L353 Elim1Store]: treesize reduction 22, result has 55.1 percent of original size [2022-02-19 02:18:26,089 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 58 [2022-02-19 02:18:26,128 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-19 02:18:26,128 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 28 treesize of output 1 [2022-02-19 02:18:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-19 02:18:27,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056573974] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:18:27,113 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:18:27,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 27, 17] total 71 [2022-02-19 02:18:27,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639739562] [2022-02-19 02:18:27,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:18:27,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-02-19 02:18:27,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:27,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-02-19 02:18:27,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=4740, Unknown=3, NotChecked=0, Total=4970 [2022-02-19 02:18:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:27,115 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:27,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 6.056338028169014) internal successors, (430), 71 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:27,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-02-19 02:18:32,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 02:18:32,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:32,410 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:32,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:32,410 INFO L85 PathProgramCache]: Analyzing trace with hash -532895824, now seen corresponding path program 1 times [2022-02-19 02:18:32,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:32,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643058343] [2022-02-19 02:18:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:32,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:32,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:32,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643058343] [2022-02-19 02:18:32,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643058343] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:32,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466212297] [2022-02-19 02:18:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:32,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:32,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:32,525 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) [2022-02-19 02:18:32,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 02:18:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:32,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-19 02:18:32,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:32,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:32,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:33,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466212297] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:18:33,338 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:18:33,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 29 [2022-02-19 02:18:33,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109614934] [2022-02-19 02:18:33,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:18:33,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-19 02:18:33,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:33,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-19 02:18:33,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=661, Unknown=0, NotChecked=0, Total=812 [2022-02-19 02:18:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:33,339 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:33,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 11.0) internal successors, (319), 29 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-02-19 02:18:33,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-19 02:18:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-19 02:18:34,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 02:18:34,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 02:18:34,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:34,952 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:34,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:34,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1239530832, now seen corresponding path program 4 times [2022-02-19 02:18:34,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:34,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180052671] [2022-02-19 02:18:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:34,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:18:35,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:35,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180052671] [2022-02-19 02:18:35,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180052671] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:35,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920614027] [2022-02-19 02:18:35,614 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 02:18:35,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:35,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:35,615 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) [2022-02-19 02:18:35,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 02:18:35,702 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 02:18:35,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:18:35,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-19 02:18:35,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:35,770 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-19 02:18:35,930 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-19 02:18:35,932 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 [2022-02-19 02:18:36,369 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 18 treesize of output 20 [2022-02-19 02:18:36,383 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 15 treesize of output 15 [2022-02-19 02:18:36,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 02:18:36,833 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-02-19 02:18:36,833 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 13 [2022-02-19 02:18:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:18:36,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:43,398 INFO L353 Elim1Store]: treesize reduction 26, result has 53.6 percent of original size [2022-02-19 02:18:43,398 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 83 [2022-02-19 02:18:45,030 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:18:45,030 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 60 treesize of output 60 [2022-02-19 02:18:45,042 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:18:45,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 80 [2022-02-19 02:18:48,083 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 10 treesize of output 8 [2022-02-19 02:18:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:18:49,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920614027] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:18:49,895 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:18:49,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 29] total 68 [2022-02-19 02:18:49,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297828366] [2022-02-19 02:18:49,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:18:49,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-02-19 02:18:49,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:49,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-02-19 02:18:49,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=4222, Unknown=33, NotChecked=0, Total=4556 [2022-02-19 02:18:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:49,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:49,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 5.882352941176471) internal successors, (400), 68 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 02:18:49,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-19 02:18:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 02:18:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 02:18:51,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 02:18:52,012 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 [2022-02-19 02:18:52,013 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:18:52,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:18:52,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1389803088, now seen corresponding path program 5 times [2022-02-19 02:18:52,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:18:52,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255321921] [2022-02-19 02:18:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:18:52,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:18:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:18:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:18:52,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:18:52,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255321921] [2022-02-19 02:18:52,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255321921] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:18:52,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728137784] [2022-02-19 02:18:52,107 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 02:18:52,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:18:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:18:52,108 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) [2022-02-19 02:18:52,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 02:18:52,225 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-19 02:18:52,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:18:52,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-19 02:18:52,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:18:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:52,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:18:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:18:52,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728137784] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:18:52,849 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:18:52,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 29 [2022-02-19 02:18:52,851 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062343783] [2022-02-19 02:18:52,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:18:52,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-19 02:18:52,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:18:52,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-19 02:18:52,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2022-02-19 02:18:52,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:52,852 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:18:52,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.724137931034482) internal successors, (311), 29 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 02:18:52,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-19 02:19:22,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-19 02:19:22,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 02:19:22,751 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 [2022-02-19 02:19:22,751 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:19:22,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:19:22,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1047834300, now seen corresponding path program 6 times [2022-02-19 02:19:22,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:19:22,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991019724] [2022-02-19 02:19:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:19:22,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:19:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:19:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-19 02:19:22,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:19:22,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991019724] [2022-02-19 02:19:22,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991019724] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:19:22,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72659839] [2022-02-19 02:19:22,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 02:19:22,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:19:22,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:19:22,891 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) [2022-02-19 02:19:22,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 02:19:23,010 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-19 02:19:23,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:19:23,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-19 02:19:23,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:19:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:19:23,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:19:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:19:23,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72659839] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:19:23,820 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:19:23,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2022-02-19 02:19:23,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085762192] [2022-02-19 02:19:23,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:19:23,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-19 02:19:23,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:19:23,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-19 02:19:23,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=800, Unknown=0, NotChecked=0, Total=930 [2022-02-19 02:19:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:23,822 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:19:23,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.290322580645162) internal successors, (319), 31 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:19:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:19:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:23,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-02-19 02:19:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:19:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-19 02:19:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-02-19 02:19:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-19 02:19:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-19 02:19:23,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 02:19:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 02:19:40,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 02:19:41,085 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 [2022-02-19 02:19:41,086 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:19:41,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:19:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1229039205, now seen corresponding path program 7 times [2022-02-19 02:19:41,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:19:41,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80979813] [2022-02-19 02:19:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:19:41,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:19:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:19:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-19 02:19:41,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:19:41,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80979813] [2022-02-19 02:19:41,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80979813] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:19:41,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692942273] [2022-02-19 02:19:41,270 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 02:19:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:19:41,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:19:41,284 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) [2022-02-19 02:19:41,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 02:19:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:19:41,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 02:19:41,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:19:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-19 02:19:41,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:19:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-19 02:19:42,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692942273] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:19:42,139 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:19:42,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-02-19 02:19:42,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524055378] [2022-02-19 02:19:42,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:19:42,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-19 02:19:42,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:19:42,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-19 02:19:42,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-02-19 02:19:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:42,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:19:42,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.666666666666666) internal successors, (232), 24 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:19:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:19:42,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-19 02:19:42,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:19:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-19 02:19:42,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 02:19:42,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 02:19:42,657 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 [2022-02-19 02:19:42,658 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:19:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:19:42,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1457903453, now seen corresponding path program 8 times [2022-02-19 02:19:42,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:19:42,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344493320] [2022-02-19 02:19:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:19:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:19:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:19:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-19 02:19:44,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:19:44,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344493320] [2022-02-19 02:19:44,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344493320] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:19:44,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788514644] [2022-02-19 02:19:44,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 02:19:44,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:19:44,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:19:44,108 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) [2022-02-19 02:19:44,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 02:19:44,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 02:19:44,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:19:44,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 105 conjunts are in the unsatisfiable core [2022-02-19 02:19:44,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:19:44,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-19 02:19:44,500 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-19 02:19:44,500 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-19 02:19:44,866 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 13 treesize of output 9 [2022-02-19 02:19:45,209 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-02-19 02:19:45,210 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-02-19 02:19:45,311 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 02:19:45,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 02:19:45,610 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 6 treesize of output 5 [2022-02-19 02:19:45,668 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 6 treesize of output 5 [2022-02-19 02:19:45,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-19 02:19:45,782 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 6 treesize of output 5 [2022-02-19 02:19:45,891 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 6 treesize of output 5 [2022-02-19 02:19:46,247 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 23 treesize of output 23 [2022-02-19 02:19:46,364 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:19:46,543 INFO L353 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2022-02-19 02:19:46,543 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 48 [2022-02-19 02:19:46,736 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:19:48,802 INFO L353 Elim1Store]: treesize reduction 48, result has 50.5 percent of original size [2022-02-19 02:19:48,803 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 61 [2022-02-19 02:19:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:19:48,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:20:54,646 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_49 Int) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_605 (Array Int Int)) (~M~0 Int) (|ULTIMATE.start_main_#t~nondet20#1| Int) (v_ArrVal_607 (Array Int Int)) (v_ArrVal_606 (Array Int Int)) (v_ArrVal_609 (Array Int Int))) (or (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_605) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_606) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_607))) (let ((.cse0 (let ((.cse3 (let ((.cse5 (* ~M~0 4))) (store v_ArrVal_609 (+ .cse5 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_609) c_~A~0.base) (+ c_~A~0.offset .cse5))))) (.cse4 (* v_thread3Thread1of1ForFork1_~i~2_49 4))) (store .cse3 (+ .cse4 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| .cse3) c_~A~0.base) (+ c_~A~0.offset .cse4))))) (.cse1 (* 4 |ULTIMATE.start_main_#t~nondet20#1|))) (= (select .cse0 (+ .cse1 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| .cse0) c_~A~0.base) (+ c_~A~0.offset .cse1))))) (<= 2 |ULTIMATE.start_main_#t~nondet20#1|) (< 0 ~M~0) (<= v_thread3Thread1of1ForFork1_~i~2_49 0) (< |ULTIMATE.start_main_#t~nondet20#1| 0) (< (+ ~M~0 1) v_thread3Thread1of1ForFork1_~i~2_49))) is different from false [2022-02-19 02:20:55,276 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_49 Int) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_605 (Array Int Int)) (v_ArrVal_604 (Array Int Int)) (~M~0 Int) (|ULTIMATE.start_main_#t~nondet20#1| Int) (v_ArrVal_607 (Array Int Int)) (v_ArrVal_606 (Array Int Int)) (v_ArrVal_609 (Array Int Int))) (or (<= 2 |ULTIMATE.start_main_#t~nondet20#1|) (< 0 ~M~0) (let ((.cse0 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_604) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_605) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_606) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_607))) (let ((.cse1 (let ((.cse3 (let ((.cse5 (* ~M~0 4))) (store v_ArrVal_609 (+ .cse5 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_609) c_~A~0.base) (+ c_~A~0.offset .cse5))))) (.cse4 (* v_thread3Thread1of1ForFork1_~i~2_49 4))) (store .cse3 (+ .cse4 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| .cse3) c_~A~0.base) (+ c_~A~0.offset .cse4))))) (.cse2 (* 4 |ULTIMATE.start_main_#t~nondet20#1|))) (= (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| .cse1) c_~A~0.base) (+ c_~A~0.offset .cse2)) (select .cse1 (+ .cse2 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) (<= v_thread3Thread1of1ForFork1_~i~2_49 0) (< |ULTIMATE.start_main_#t~nondet20#1| 0) (< (+ ~M~0 1) v_thread3Thread1of1ForFork1_~i~2_49))) is different from false [2022-02-19 02:20:56,219 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_49 Int) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_605 (Array Int Int)) (~M~0 Int) (|ULTIMATE.start_main_#t~nondet20#1| Int) (v_ArrVal_604 (Array Int Int)) (v_ArrVal_607 (Array Int Int)) (v_ArrVal_606 (Array Int Int)) (v_ArrVal_609 (Array Int Int))) (or (<= 2 |ULTIMATE.start_main_#t~nondet20#1|) (< 0 ~M~0) (let ((.cse0 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_604) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_605) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_606) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_607))) (let ((.cse1 (let ((.cse3 (let ((.cse5 (* ~M~0 4))) (store v_ArrVal_609 (+ .cse5 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_609) c_~A~0.base) (+ c_~A~0.offset .cse5))))) (.cse4 (* v_thread3Thread1of1ForFork1_~i~2_49 4))) (store .cse3 (+ .cse4 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| .cse3) c_~A~0.base) (+ c_~A~0.offset .cse4))))) (.cse2 (* 4 |ULTIMATE.start_main_#t~nondet20#1|))) (= (select (select (store .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| .cse1) c_~A~0.base) (+ c_~A~0.offset .cse2)) (select .cse1 (+ .cse2 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) (<= v_thread3Thread1of1ForFork1_~i~2_49 0) (< |ULTIMATE.start_main_#t~nondet20#1| 0) (< (+ ~M~0 1) v_thread3Thread1of1ForFork1_~i~2_49))) is different from false [2022-02-19 02:20:56,428 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_49 Int) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_605 (Array Int Int)) (v_ArrVal_604 (Array Int Int)) (~M~0 Int) (|ULTIMATE.start_main_#t~nondet20#1| Int) (v_ArrVal_607 (Array Int Int)) (v_ArrVal_606 (Array Int Int)) (v_ArrVal_609 (Array Int Int))) (or (<= 2 |ULTIMATE.start_main_#t~nondet20#1|) (< 0 ~M~0) (let ((.cse2 (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc23#1.base| v_ArrVal_604) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_605) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_606) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_607))) (let ((.cse0 (let ((.cse3 (let ((.cse5 (* ~M~0 4))) (store v_ArrVal_609 (+ .cse5 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc23#1.base| v_ArrVal_609) c_~A~0.base) (+ c_~A~0.offset .cse5))))) (.cse4 (* v_thread3Thread1of1ForFork1_~i~2_49 4))) (store .cse3 (+ .cse4 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc23#1.base| .cse3) c_~A~0.base) (+ c_~A~0.offset .cse4))))) (.cse1 (* 4 |ULTIMATE.start_main_#t~nondet20#1|))) (= (select .cse0 (+ .cse1 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select (store .cse2 |c_ULTIMATE.start_create_fresh_int_array_#t~malloc23#1.base| .cse0) c_~A~0.base) (+ c_~A~0.offset .cse1))))) (<= v_thread3Thread1of1ForFork1_~i~2_49 0) (< |ULTIMATE.start_main_#t~nondet20#1| 0) (< (+ ~M~0 1) v_thread3Thread1of1ForFork1_~i~2_49))) is different from false [2022-02-19 02:21:02,084 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:21:02,085 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 296 treesize of output 225 [2022-02-19 02:21:02,761 INFO L353 Elim1Store]: treesize reduction 37, result has 24.5 percent of original size [2022-02-19 02:21:02,769 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21730918390 treesize of output 21281210369 Received shutdown request... [2022-02-19 02:32:31,278 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-02-19 02:32:31,280 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-19 02:32:31,294 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 [2022-02-19 02:32:31,294 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 [2022-02-19 02:32:31,294 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 02:32:31,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 02:32:31,481 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 [2022-02-19 02:32:31,481 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-02-19 02:32:31,483 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 02:32:31,483 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 02:32:31,483 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 02:32:31,487 INFO L732 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1] [2022-02-19 02:32:31,489 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 02:32:31,489 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 02:32:31,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 02:32:31 BasicIcfg [2022-02-19 02:32:31,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 02:32:31,492 INFO L158 Benchmark]: Toolchain (without parser) took 872418.34ms. Allocated memory was 191.9MB in the beginning and 961.5MB in the end (delta: 769.7MB). Free memory was 140.5MB in the beginning and 529.0MB in the end (delta: -388.5MB). Peak memory consumption was 660.2MB. Max. memory is 8.0GB. [2022-02-19 02:32:31,492 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 02:32:31,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.59ms. Allocated memory is still 191.9MB. Free memory was 140.3MB in the beginning and 165.8MB in the end (delta: -25.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 02:32:31,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.02ms. Allocated memory is still 191.9MB. Free memory was 165.8MB in the beginning and 164.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 02:32:31,493 INFO L158 Benchmark]: Boogie Preprocessor took 32.20ms. Allocated memory is still 191.9MB. Free memory was 163.7MB in the beginning and 162.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 02:32:31,494 INFO L158 Benchmark]: RCFGBuilder took 419.04ms. Allocated memory is still 191.9MB. Free memory was 162.1MB in the beginning and 145.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-19 02:32:31,494 INFO L158 Benchmark]: TraceAbstraction took 871635.90ms. Allocated memory was 191.9MB in the beginning and 961.5MB in the end (delta: 769.7MB). Free memory was 144.8MB in the beginning and 529.0MB in the end (delta: -384.2MB). Peak memory consumption was 664.6MB. Max. memory is 8.0GB. [2022-02-19 02:32:31,495 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 191.9MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.59ms. Allocated memory is still 191.9MB. Free memory was 140.3MB in the beginning and 165.8MB in the end (delta: -25.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.02ms. Allocated memory is still 191.9MB. Free memory was 165.8MB in the beginning and 164.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.20ms. Allocated memory is still 191.9MB. Free memory was 163.7MB in the beginning and 162.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 419.04ms. Allocated memory is still 191.9MB. Free memory was 162.1MB in the beginning and 145.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 871635.90ms. Allocated memory was 191.9MB in the beginning and 961.5MB in the end (delta: 769.7MB). Free memory was 144.8MB in the beginning and 529.0MB in the end (delta: -384.2MB). Peak memory consumption was 664.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98795, positive: 84589, positive conditional: 81557, positive unconditional: 3032, negative: 14206, negative conditional: 14149, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84739, positive: 84589, positive conditional: 81557, positive unconditional: 3032, negative: 150, negative conditional: 93, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 84739, positive: 84589, positive conditional: 81557, positive unconditional: 3032, negative: 150, negative conditional: 93, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87470, positive: 84589, positive conditional: 81397, positive unconditional: 3192, negative: 2881, negative conditional: 2731, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87470, positive: 84589, positive conditional: 36341, positive unconditional: 48248, negative: 2881, negative conditional: 1782, negative unconditional: 1099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87470, positive: 84589, positive conditional: 36341, positive unconditional: 48248, negative: 2881, negative conditional: 1782, negative unconditional: 1099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2723, positive: 2496, positive conditional: 52, positive unconditional: 2444, negative: 227, negative conditional: 170, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2723, positive: 2442, positive conditional: 0, positive unconditional: 2442, negative: 281, negative conditional: 0, negative unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 281, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 227, negative conditional: 170, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 486, positive: 125, positive conditional: 90, positive unconditional: 34, negative: 361, negative conditional: 284, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87470, positive: 82093, positive conditional: 36289, positive unconditional: 45804, negative: 2654, negative conditional: 1612, negative unconditional: 1042, unknown: 2723, unknown conditional: 222, unknown unconditional: 2501] , Statistics on independence cache: Total cache size (in pairs): 2723, Positive cache size: 2496, Positive conditional cache size: 52, Positive unconditional cache size: 2444, Negative cache size: 227, Negative conditional cache size: 170, Negative unconditional cache size: 57, Eliminated conditions: 46005, Maximal queried relation: 9, Independence queries for same thread: 14056 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 3379, Number of trivial persistent sets: 3270, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3089, positive: 3032, positive conditional: 0, positive unconditional: 3032, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 98795, positive: 84589, positive conditional: 81557, positive unconditional: 3032, negative: 14206, negative conditional: 14149, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84739, positive: 84589, positive conditional: 81557, positive unconditional: 3032, negative: 150, negative conditional: 93, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 84739, positive: 84589, positive conditional: 81557, positive unconditional: 3032, negative: 150, negative conditional: 93, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87470, positive: 84589, positive conditional: 81397, positive unconditional: 3192, negative: 2881, negative conditional: 2731, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 87470, positive: 84589, positive conditional: 36341, positive unconditional: 48248, negative: 2881, negative conditional: 1782, negative unconditional: 1099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 87470, positive: 84589, positive conditional: 36341, positive unconditional: 48248, negative: 2881, negative conditional: 1782, negative unconditional: 1099, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2723, positive: 2496, positive conditional: 52, positive unconditional: 2444, negative: 227, negative conditional: 170, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2723, positive: 2442, positive conditional: 0, positive unconditional: 2442, negative: 281, negative conditional: 0, negative unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 281, positive: 54, positive conditional: 52, positive unconditional: 2, negative: 227, negative conditional: 170, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 486, positive: 125, positive conditional: 90, positive unconditional: 34, negative: 361, negative conditional: 284, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 87470, positive: 82093, positive conditional: 36289, positive unconditional: 45804, negative: 2654, negative conditional: 1612, negative unconditional: 1042, unknown: 2723, unknown conditional: 222, unknown unconditional: 2501] , Statistics on independence cache: Total cache size (in pairs): 2723, Positive cache size: 2496, Positive conditional cache size: 52, Positive unconditional cache size: 2444, Negative cache size: 227, Negative conditional cache size: 170, Negative unconditional cache size: 57, Eliminated conditions: 46005, Maximal queried relation: 9, Independence queries for same thread: 14056 - 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: 92]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 201 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 232 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 871.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 62.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 507, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 36.8s InterpolantComputationTime, 3654 NumberOfCodeBlocks, 3642 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 5228 ConstructedInterpolants, 161 QuantifiedInterpolants, 31013 SizeOfPredicates, 176 NumberOfNonLiveVariables, 3531 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 30 InterpolantComputations, 4 PerfectInterpolantSequences, 247/322 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