/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 19:31:02,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 19:31:02,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 19:31:02,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 19:31:02,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 19:31:02,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 19:31:02,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 19:31:02,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 19:31:02,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 19:31:02,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 19:31:02,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 19:31:02,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 19:31:02,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 19:31:02,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 19:31:02,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 19:31:02,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 19:31:02,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 19:31:02,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 19:31:02,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 19:31:02,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 19:31:02,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 19:31:02,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 19:31:02,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 19:31:02,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 19:31:02,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-08 19:31:02,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-08 19:31:02,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-08 19:31:02,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-08 19:31:02,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-08 19:31:02,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-08 19:31:02,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 19:31:02,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 19:31:02,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 19:31:02,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 19:31:02,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 19:31:02,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 19:31:02,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 19:31:02,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 19:31:02,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 19:31:02,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 19:31:02,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 19:31:02,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-08 19:31:02,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 19:31:02,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 19:31:02,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 19:31:02,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 19:31:02,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 19:31:02,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 19:31:02,662 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 19:31:02,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 19:31:02,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 19:31:02,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 19:31:02,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 19:31:02,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 19:31:02,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 19:31:02,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 19:31:02,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 19:31:02,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 19:31:02,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 19:31:02,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 19:31:02,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 19:31:02,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 19:31:02,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 19:31:02,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-08 19:31:02,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 19:31:02,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 19:31:02,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 19:31:02,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 19:31:02,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 19:31:02,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 19:31:02,668 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-08 19:31:02,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 19:31:02,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-08 19:31:02,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-08 19:31:02,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 19:31:02,670 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-08 19:31:02,670 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-08 19:31:02,670 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 19:31:03,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 19:31:03,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 19:31:03,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 19:31:03,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 19:31:03,124 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 19:31:03,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-10-08 19:31:03,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/567ff0881/0b5425338397402ea16f7a949be0fc4a/FLAGd43b30b97 [2021-10-08 19:31:03,857 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 19:31:03,857 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2021-10-08 19:31:03,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/567ff0881/0b5425338397402ea16f7a949be0fc4a/FLAGd43b30b97 [2021-10-08 19:31:04,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/567ff0881/0b5425338397402ea16f7a949be0fc4a [2021-10-08 19:31:04,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 19:31:04,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 19:31:04,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 19:31:04,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 19:31:04,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 19:31:04,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc68c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04, skipping insertion in model container [2021-10-08 19:31:04,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 19:31:04,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 19:31:04,492 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2858,2871] [2021-10-08 19:31:04,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 19:31:04,513 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 19:31:04,542 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2858,2871] [2021-10-08 19:31:04,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 19:31:04,565 INFO L208 MainTranslator]: Completed translation [2021-10-08 19:31:04,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04 WrapperNode [2021-10-08 19:31:04,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 19:31:04,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 19:31:04,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 19:31:04,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 19:31:04,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 19:31:04,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 19:31:04,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 19:31:04,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 19:31:04,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 19:31:04,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 19:31:04,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 19:31:04,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 19:31:04,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (1/1) ... [2021-10-08 19:31:04,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 19:31:04,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:04,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 19:31:04,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 19:31:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 19:31:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 19:31:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 19:31:04,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 19:31:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 19:31:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 19:31:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 19:31:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 19:31:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 19:31:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 19:31:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 19:31:04,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 19:31:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 19:31:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 19:31:04,863 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 19:31:05,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 19:31:05,549 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-08 19:31:05,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 07:31:05 BoogieIcfgContainer [2021-10-08 19:31:05,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 19:31:05,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 19:31:05,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 19:31:05,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 19:31:05,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 07:31:04" (1/3) ... [2021-10-08 19:31:05,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c143bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 07:31:05, skipping insertion in model container [2021-10-08 19:31:05,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:31:04" (2/3) ... [2021-10-08 19:31:05,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c143bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 07:31:05, skipping insertion in model container [2021-10-08 19:31:05,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 07:31:05" (3/3) ... [2021-10-08 19:31:05,563 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2021-10-08 19:31:05,570 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 19:31:05,570 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 19:31:05,570 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-08 19:31:05,570 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 19:31:05,603 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,604 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,604 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,604 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,604 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,605 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,605 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,605 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,605 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,605 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,606 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,606 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,606 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,606 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,607 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,607 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,607 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,607 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,608 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,608 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,608 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,608 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,609 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,610 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,610 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,610 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,610 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,611 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,611 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,611 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,611 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,611 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,612 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,612 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,612 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,613 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,613 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,613 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,613 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,614 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,614 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,614 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,615 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,615 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,615 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,616 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,616 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,616 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,616 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,617 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,617 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,617 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,617 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,621 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,621 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,622 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,622 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,626 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,627 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:31:05,633 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 19:31:05,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-08 19:31:05,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:05,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-08 19:31:05,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-08 19:31:05,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-08 19:31:05,767 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, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 19:31:05,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-08 19:31:06,016 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:06,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1982936274, now seen corresponding path program 1 times [2021-10-08 19:31:06,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:06,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138579014] [2021-10-08 19:31:06,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:06,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:06,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:06,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138579014] [2021-10-08 19:31:06,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138579014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 19:31:06,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 19:31:06,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 19:31:06,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439807821] [2021-10-08 19:31:06,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 19:31:06,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:06,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 19:31:06,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 19:31:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,306 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:06,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 19:31:06,377 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:06,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:06,378 INFO L82 PathProgramCache]: Analyzing trace with hash 988504270, now seen corresponding path program 1 times [2021-10-08 19:31:06,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:06,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274104606] [2021-10-08 19:31:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:06,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:06,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:06,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274104606] [2021-10-08 19:31:06,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274104606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 19:31:06,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 19:31:06,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-08 19:31:06,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283024906] [2021-10-08 19:31:06,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 19:31:06,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:06,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 19:31:06,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-08 19:31:06,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:06,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:06,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:06,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-08 19:31:06,773 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:06,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:06,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1532019513, now seen corresponding path program 1 times [2021-10-08 19:31:06,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:06,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994503739] [2021-10-08 19:31:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:06,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 19:31:07,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:07,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994503739] [2021-10-08 19:31:07,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994503739] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 19:31:07,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 19:31:07,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-08 19:31:07,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091600644] [2021-10-08 19:31:07,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-08 19:31:07,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:07,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-08 19:31:07,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-10-08 19:31:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:07,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:07,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.375) internal successors, (102), 16 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:07,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:07,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:07,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:08,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:08,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-08 19:31:08,098 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:08,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:08,100 INFO L82 PathProgramCache]: Analyzing trace with hash 266345873, now seen corresponding path program 1 times [2021-10-08 19:31:08,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:08,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719991391] [2021-10-08 19:31:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:08,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 19:31:08,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:08,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719991391] [2021-10-08 19:31:08,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719991391] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:08,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940547815] [2021-10-08 19:31:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:08,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:08,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:08,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:08,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-08 19:31:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:08,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 19:31:08,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 19:31:08,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940547815] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 19:31:08,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 19:31:08,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-10-08 19:31:08,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472134409] [2021-10-08 19:31:08,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 19:31:08,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:08,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 19:31:08,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 19:31:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:08,862 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:08,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:08,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:08,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:08,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:08,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:09,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:09,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:09,162 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:09,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:09,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1414268370, now seen corresponding path program 1 times [2021-10-08 19:31:09,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:09,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079657837] [2021-10-08 19:31:09,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:09,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:09,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:09,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079657837] [2021-10-08 19:31:09,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079657837] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:09,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772632240] [2021-10-08 19:31:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:09,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:09,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:09,298 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:09,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-08 19:31:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:09,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-08 19:31:09,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:09,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772632240] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:09,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:09,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-10-08 19:31:09,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574262346] [2021-10-08 19:31:09,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 19:31:09,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:09,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 19:31:09,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-08 19:31:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:09,836 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:09,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 13 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:09,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:09,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:09,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:09,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:09,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:10,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:10,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:10,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:10,269 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:10,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:10,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1716592035, now seen corresponding path program 2 times [2021-10-08 19:31:10,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:10,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994339549] [2021-10-08 19:31:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:10,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:11,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:11,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994339549] [2021-10-08 19:31:11,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994339549] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:11,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872898924] [2021-10-08 19:31:11,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 19:31:11,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:11,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:11,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:11,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-08 19:31:11,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 19:31:11,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:31:11,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-08 19:31:11,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:13,590 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 19:31:13,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2021-10-08 19:31:13,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-10-08 19:31:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:14,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872898924] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:14,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:14,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 46 [2021-10-08 19:31:14,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602854186] [2021-10-08 19:31:14,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-10-08 19:31:14,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:14,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-10-08 19:31:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1950, Unknown=0, NotChecked=0, Total=2070 [2021-10-08 19:31:14,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:14,056 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:14,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.391304347826087) internal successors, (202), 46 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:14,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:14,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:18,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:18,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-08 19:31:18,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:19,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:19,077 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:19,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:19,078 INFO L82 PathProgramCache]: Analyzing trace with hash 770291047, now seen corresponding path program 1 times [2021-10-08 19:31:19,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:19,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391835783] [2021-10-08 19:31:19,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:19,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:22,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:22,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391835783] [2021-10-08 19:31:22,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391835783] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:22,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574242492] [2021-10-08 19:31:22,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:22,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:22,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:22,109 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:22,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-08 19:31:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:22,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 73 conjunts are in the unsatisfiable core [2021-10-08 19:31:22,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:22,439 INFO L388 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 [2021-10-08 19:31:22,939 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:31:22,942 INFO L388 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 [2021-10-08 19:31:25,190 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:31:25,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2021-10-08 19:31:26,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2021-10-08 19:31:27,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:27,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574242492] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:27,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:27,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 38] total 74 [2021-10-08 19:31:27,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25588268] [2021-10-08 19:31:27,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-10-08 19:31:27,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-10-08 19:31:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=5111, Unknown=0, NotChecked=0, Total=5402 [2021-10-08 19:31:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:27,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:27,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.8783783783783785) internal successors, (213), 74 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:27,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-08 19:31:27,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:31,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:31,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-08 19:31:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-08 19:31:32,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:32,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:32,199 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:32,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:32,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1603098659, now seen corresponding path program 2 times [2021-10-08 19:31:32,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:32,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645875865] [2021-10-08 19:31:32,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:32,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-08 19:31:32,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:32,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645875865] [2021-10-08 19:31:32,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645875865] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:32,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951242247] [2021-10-08 19:31:32,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 19:31:32,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:32,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:32,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:32,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-08 19:31:32,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 19:31:32,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:31:32,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-08 19:31:32,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-08 19:31:33,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951242247] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:33,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:33,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-08 19:31:33,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869810896] [2021-10-08 19:31:33,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 19:31:33,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 19:31:33,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-08 19:31:33,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:33,025 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:33,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:33,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:33,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:33,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:33,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:33,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-08 19:31:33,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-08 19:31:33,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-08 19:31:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-08 19:31:33,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:31:33,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:33,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:33,526 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:33,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:33,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1913894652, now seen corresponding path program 3 times [2021-10-08 19:31:33,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:33,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998629178] [2021-10-08 19:31:33,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:33,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 19:31:33,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:33,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998629178] [2021-10-08 19:31:33,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998629178] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:33,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528708427] [2021-10-08 19:31:33,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 19:31:33,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:33,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:33,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:33,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-08 19:31:34,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 19:31:34,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:31:34,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 19:31:34,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 19:31:34,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528708427] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:34,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:34,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-10-08 19:31:34,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466089057] [2021-10-08 19:31:34,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 19:31:34,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:34,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 19:31:34,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2021-10-08 19:31:34,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:34,921 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:34,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.333333333333334) internal successors, (200), 24 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:34,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:34,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:34,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:34,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:34,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:34,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-08 19:31:34,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-10-08 19:31:34,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:31:34,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:31:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:31:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:31:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:35,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:36,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:36,111 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:36,113 INFO L82 PathProgramCache]: Analyzing trace with hash 874519694, now seen corresponding path program 3 times [2021-10-08 19:31:36,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:36,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7129971] [2021-10-08 19:31:36,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:36,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:38,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:38,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7129971] [2021-10-08 19:31:38,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7129971] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:38,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882800995] [2021-10-08 19:31:38,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 19:31:38,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:38,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:38,353 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:38,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-08 19:31:38,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-08 19:31:38,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:31:38,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-08 19:31:38,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:39,493 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:31:39,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:31:39,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-10-08 19:31:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 19:31:39,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882800995] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:39,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:39,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12] total 37 [2021-10-08 19:31:39,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891899157] [2021-10-08 19:31:39,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-10-08 19:31:39,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:39,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-10-08 19:31:39,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1235, Unknown=0, NotChecked=0, Total=1332 [2021-10-08 19:31:39,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:39,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:39,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.45945945945946) internal successors, (202), 37 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:31:39,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:31:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:31:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:31:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:31:44,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-08 19:31:44,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-08 19:31:44,908 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:31:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:31:44,909 INFO L82 PathProgramCache]: Analyzing trace with hash -791916196, now seen corresponding path program 4 times [2021-10-08 19:31:44,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:31:44,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586403522] [2021-10-08 19:31:44,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:31:44,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:31:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:31:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:48,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:31:48,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586403522] [2021-10-08 19:31:48,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586403522] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:48,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078178731] [2021-10-08 19:31:48,150 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 19:31:48,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:31:48,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:31:48,153 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:31:48,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-08 19:31:48,803 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 19:31:48,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:31:48,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 71 conjunts are in the unsatisfiable core [2021-10-08 19:31:48,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:31:51,988 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:31:51,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:31:53,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2021-10-08 19:31:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:31:53,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078178731] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:31:53,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:31:53,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40] total 76 [2021-10-08 19:31:53,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21097363] [2021-10-08 19:31:53,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2021-10-08 19:31:53,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:31:53,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-10-08 19:31:53,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=5403, Unknown=0, NotChecked=0, Total=5700 [2021-10-08 19:31:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:53,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:31:53,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.039473684210526) internal successors, (231), 76 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:31:53,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-08 19:32:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-08 19:32:00,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-08 19:32:00,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:32:00,598 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:32:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:32:00,598 INFO L82 PathProgramCache]: Analyzing trace with hash 92625209, now seen corresponding path program 5 times [2021-10-08 19:32:00,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:32:00,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989246296] [2021-10-08 19:32:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:32:00,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:32:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:32:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:32:01,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:32:01,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989246296] [2021-10-08 19:32:01,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989246296] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:01,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066137269] [2021-10-08 19:32:01,508 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 19:32:01,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:32:01,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:32:01,510 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:32:01,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-08 19:32:02,261 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-08 19:32:02,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:32:02,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-08 19:32:02,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:32:03,384 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-10-08 19:32:03,384 INFO L388 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 34 treesize of output 20 [2021-10-08 19:32:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 19:32:03,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066137269] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:03,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:32:03,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 12] total 32 [2021-10-08 19:32:03,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823374132] [2021-10-08 19:32:03,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-08 19:32:03,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:32:03,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-08 19:32:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2021-10-08 19:32:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:03,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:32:03,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.78125) internal successors, (217), 32 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:03,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-08 19:32:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-08 19:32:03,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-08 19:32:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-08 19:32:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-08 19:32:05,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-08 19:32:05,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-08 19:32:05,544 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:32:05,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:32:05,544 INFO L82 PathProgramCache]: Analyzing trace with hash 617593647, now seen corresponding path program 6 times [2021-10-08 19:32:05,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:32:05,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836773341] [2021-10-08 19:32:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:32:05,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:32:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:32:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:32:09,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:32:09,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836773341] [2021-10-08 19:32:09,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836773341] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:09,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372068773] [2021-10-08 19:32:09,747 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 19:32:09,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:32:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:32:09,748 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:32:09,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-08 19:32:10,657 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-08 19:32:10,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:32:10,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 107 conjunts are in the unsatisfiable core [2021-10-08 19:32:10,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:32:10,750 INFO L388 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 [2021-10-08 19:32:11,401 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:32:11,401 INFO L388 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 [2021-10-08 19:32:14,047 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:32:14,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2021-10-08 19:32:17,146 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-10-08 19:32:17,147 INFO L388 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 47 treesize of output 19 [2021-10-08 19:32:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:32:18,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372068773] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:18,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:32:18,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48] total 92 [2021-10-08 19:32:18,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564211161] [2021-10-08 19:32:18,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2021-10-08 19:32:18,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:32:18,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-10-08 19:32:18,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=8004, Unknown=0, NotChecked=0, Total=8372 [2021-10-08 19:32:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:18,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:32:18,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.75) internal successors, (253), 92 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:18,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:18,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:18,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-08 19:32:18,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-10-08 19:32:18,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-08 19:32:18,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-08 19:32:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:32:31,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-08 19:32:31,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:32:31,900 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:32:31,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:32:31,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1280657351, now seen corresponding path program 7 times [2021-10-08 19:32:31,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:32:31,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161624139] [2021-10-08 19:32:31,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:32:31,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:32:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:32:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:32:35,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:32:35,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161624139] [2021-10-08 19:32:35,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161624139] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:35,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139586524] [2021-10-08 19:32:35,254 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 19:32:35,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:32:35,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:32:35,255 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:32:35,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-08 19:32:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:32:36,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 83 conjunts are in the unsatisfiable core [2021-10-08 19:32:36,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:32:36,452 INFO L388 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 [2021-10-08 19:32:37,077 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:32:37,078 INFO L388 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 [2021-10-08 19:32:39,893 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 19:32:39,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:32:40,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2021-10-08 19:32:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:32:41,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139586524] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:41,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:32:41,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 42] total 80 [2021-10-08 19:32:41,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313840358] [2021-10-08 19:32:41,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-10-08 19:32:41,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:32:41,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-10-08 19:32:41,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=6005, Unknown=0, NotChecked=0, Total=6320 [2021-10-08 19:32:41,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:41,860 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:32:41,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.0625) internal successors, (245), 80 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:32:41,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:32:41,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:32:41,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-08 19:32:41,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:32:41,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:32:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:32:50,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:32:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:32:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:32:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-08 19:32:50,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-08 19:32:50,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-08 19:32:50,777 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:32:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:32:50,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1871633436, now seen corresponding path program 8 times [2021-10-08 19:32:50,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:32:50,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909143045] [2021-10-08 19:32:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:32:50,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:32:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:32:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:32:57,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:32:57,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909143045] [2021-10-08 19:32:57,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909143045] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:32:57,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852090607] [2021-10-08 19:32:57,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 19:32:57,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:32:57,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:32:57,240 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:32:57,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-08 19:32:58,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 19:32:58,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:32:58,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 106 conjunts are in the unsatisfiable core [2021-10-08 19:32:58,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:33:02,695 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 19:33:02,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2021-10-08 19:33:06,148 INFO L354 Elim1Store]: treesize reduction 90, result has 7.2 percent of original size [2021-10-08 19:33:06,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 33 [2021-10-08 19:33:08,027 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:33:08,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852090607] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:33:08,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:33:08,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 50] total 92 [2021-10-08 19:33:08,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098134304] [2021-10-08 19:33:08,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2021-10-08 19:33:08,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:33:08,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-10-08 19:33:08,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=7995, Unknown=0, NotChecked=0, Total=8372 [2021-10-08 19:33:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:08,032 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:33:08,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.630434782608696) internal successors, (242), 92 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:33:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:33:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:33:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:33:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:33:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-08 19:33:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:33:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:33:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:33:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:33:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:33:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-08 19:33:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-08 19:33:19,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-08 19:33:19,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-08 19:33:19,196 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:33:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:33:19,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1057546691, now seen corresponding path program 9 times [2021-10-08 19:33:19,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:33:19,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634667631] [2021-10-08 19:33:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:33:19,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:33:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:33:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:33:20,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:33:20,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634667631] [2021-10-08 19:33:20,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634667631] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:33:20,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901235672] [2021-10-08 19:33:20,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 19:33:20,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:33:20,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:33:20,495 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:33:20,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-08 19:33:22,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 19:33:22,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:33:22,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-08 19:33:22,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:33:23,190 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 19:33:23,191 INFO L388 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 29 treesize of output 16 [2021-10-08 19:33:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-08 19:33:23,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901235672] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:33:23,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:33:23,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 8] total 35 [2021-10-08 19:33:23,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619782388] [2021-10-08 19:33:23,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-10-08 19:33:23,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:33:23,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-10-08 19:33:23,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1093, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 19:33:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:23,257 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:33:23,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 6.771428571428571) internal successors, (237), 35 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:33:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:23,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:33:23,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:33:23,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:33:23,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:33:23,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-08 19:33:23,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-10-08 19:33:23,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:33:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:33:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:33:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:33:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-08 19:33:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-08 19:33:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-08 19:33:27,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-08 19:33:27,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-08 19:33:27,200 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:33:27,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:33:27,201 INFO L82 PathProgramCache]: Analyzing trace with hash 428112043, now seen corresponding path program 10 times [2021-10-08 19:33:27,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:33:27,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683383339] [2021-10-08 19:33:27,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:33:27,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:33:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:33:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 8 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:33:34,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:33:34,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683383339] [2021-10-08 19:33:34,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683383339] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:33:34,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26005404] [2021-10-08 19:33:34,721 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 19:33:34,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:33:34,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:33:34,723 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:33:34,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-08 19:33:36,359 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 19:33:36,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:33:36,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 121 conjunts are in the unsatisfiable core [2021-10-08 19:33:36,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:33:36,423 INFO L388 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 [2021-10-08 19:33:37,179 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:33:37,180 INFO L388 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 [2021-10-08 19:33:40,596 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:33:40,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2021-10-08 19:33:48,658 INFO L354 Elim1Store]: treesize reduction 166, result has 4.0 percent of original size [2021-10-08 19:33:48,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 40 [2021-10-08 19:33:50,237 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:33:50,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26005404] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:33:50,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:33:50,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 56] total 113 [2021-10-08 19:33:50,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137531525] [2021-10-08 19:33:50,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2021-10-08 19:33:50,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:33:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2021-10-08 19:33:50,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=12196, Unknown=0, NotChecked=0, Total=12656 [2021-10-08 19:33:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:50,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:33:50,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 2.566371681415929) internal successors, (290), 113 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:33:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-10-08 19:33:50,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:34:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:34:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:34:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-08 19:34:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:34:22,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-08 19:34:22,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-08 19:34:22,780 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:34:22,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:34:22,780 INFO L82 PathProgramCache]: Analyzing trace with hash 336155388, now seen corresponding path program 11 times [2021-10-08 19:34:22,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:34:22,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52499029] [2021-10-08 19:34:22,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:34:22,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:34:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:34:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:34:26,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:34:26,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52499029] [2021-10-08 19:34:26,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52499029] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:34:26,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197199937] [2021-10-08 19:34:26,453 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 19:34:26,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:34:26,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:34:26,454 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:34:26,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-08 19:34:28,562 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-08 19:34:28,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:34:28,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 52 conjunts are in the unsatisfiable core [2021-10-08 19:34:28,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:34:28,627 INFO L388 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 [2021-10-08 19:34:28,994 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:34:28,994 INFO L388 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 [2021-10-08 19:34:30,931 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:34:30,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33 treesize of output 32 [2021-10-08 19:34:31,795 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 19:34:31,796 INFO L388 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 29 treesize of output 16 [2021-10-08 19:34:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-08 19:34:32,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197199937] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:34:32,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:34:32,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 29] total 67 [2021-10-08 19:34:32,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574601999] [2021-10-08 19:34:32,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-10-08 19:34:32,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:34:32,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-10-08 19:34:32,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=4158, Unknown=0, NotChecked=0, Total=4422 [2021-10-08 19:34:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:34:32,549 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:34:32,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 3.253731343283582) internal successors, (218), 67 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:34:32,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:34:32,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:34:32,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:34:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:34:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-08 19:34:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:34:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-08 19:34:39,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-08 19:34:39,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-08 19:34:39,283 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:34:39,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:34:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash -367037041, now seen corresponding path program 12 times [2021-10-08 19:34:39,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:34:39,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508680975] [2021-10-08 19:34:39,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:34:39,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:34:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:34:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:34:53,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:34:53,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508680975] [2021-10-08 19:34:53,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508680975] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:34:53,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477243620] [2021-10-08 19:34:53,952 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 19:34:53,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:34:53,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:34:53,953 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:34:53,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-08 19:34:56,499 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-10-08 19:34:56,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:34:56,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 88 conjunts are in the unsatisfiable core [2021-10-08 19:34:56,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:34:56,564 INFO L388 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 [2021-10-08 19:34:56,897 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:34:56,898 INFO L388 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 [2021-10-08 19:34:59,362 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 19:34:59,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:35:02,578 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-10-08 19:35:02,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 25 [2021-10-08 19:35:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-08 19:35:04,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477243620] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:35:04,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:35:04,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 41] total 87 [2021-10-08 19:35:04,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011625636] [2021-10-08 19:35:04,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-10-08 19:35:04,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:35:04,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-10-08 19:35:04,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=7163, Unknown=0, NotChecked=0, Total=7482 [2021-10-08 19:35:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:35:04,275 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:35:04,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.9080459770114944) internal successors, (253), 87 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:35:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:35:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:35:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:35:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:35:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:35:04,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-08 19:35:04,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:35:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-08 19:35:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:35:17,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-08 19:35:17,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:35:17,823 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:35:17,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:35:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash -535626208, now seen corresponding path program 13 times [2021-10-08 19:35:17,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:35:17,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125965276] [2021-10-08 19:35:17,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:35:17,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:35:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:35:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:35:27,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:35:27,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125965276] [2021-10-08 19:35:27,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125965276] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:35:27,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138110554] [2021-10-08 19:35:27,858 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 19:35:27,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:35:27,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:35:27,859 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:35:27,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-08 19:35:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:35:30,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 134 conjunts are in the unsatisfiable core [2021-10-08 19:35:30,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:35:33,902 INFO L388 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 15 treesize of output 11 [2021-10-08 19:35:34,489 INFO L388 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 15 treesize of output 11 [2021-10-08 19:35:35,976 INFO L388 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 17 treesize of output 13 [2021-10-08 19:35:37,141 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 19:35:37,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2021-10-08 19:35:42,879 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-10-08 19:35:42,879 INFO L388 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 72 treesize of output 24 [2021-10-08 19:35:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:35:44,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138110554] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:35:44,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:35:44,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 60] total 116 [2021-10-08 19:35:44,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878643461] [2021-10-08 19:35:44,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2021-10-08 19:35:44,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:35:44,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2021-10-08 19:35:44,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=12851, Unknown=0, NotChecked=0, Total=13340 [2021-10-08 19:35:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:35:44,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:35:44,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 2.6206896551724137) internal successors, (304), 116 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:35:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:35:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:35:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:35:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:35:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:35:44,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-08 19:35:44,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:35:44,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:36:01,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:36:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:36:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:36:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:36:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:36:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:36:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-08 19:36:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:36:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-10-08 19:36:01,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-08 19:36:01,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:36:01,474 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:36:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:36:01,475 INFO L82 PathProgramCache]: Analyzing trace with hash 2142839023, now seen corresponding path program 14 times [2021-10-08 19:36:01,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:36:01,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139190753] [2021-10-08 19:36:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:36:01,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:36:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:36:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:36:11,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:36:11,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139190753] [2021-10-08 19:36:11,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139190753] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:36:11,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652571809] [2021-10-08 19:36:11,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 19:36:11,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:36:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:36:11,430 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:36:11,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-08 19:36:14,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 19:36:14,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:36:14,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 159 conjunts are in the unsatisfiable core [2021-10-08 19:36:14,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:36:16,611 INFO L388 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 15 treesize of output 11 [2021-10-08 19:36:17,167 INFO L388 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 15 treesize of output 11 [2021-10-08 19:36:17,747 INFO L388 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 15 treesize of output 11 [2021-10-08 19:36:18,358 INFO L388 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 15 treesize of output 11 [2021-10-08 19:36:19,937 INFO L388 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 17 treesize of output 13 [2021-10-08 19:36:21,243 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:36:21,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:36:31,654 INFO L354 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2021-10-08 19:36:31,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 28 [2021-10-08 19:36:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:36:33,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652571809] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:36:33,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:36:33,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 69] total 133 [2021-10-08 19:36:33,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179493031] [2021-10-08 19:36:33,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2021-10-08 19:36:33,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:36:33,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2021-10-08 19:36:33,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=521, Invalid=17035, Unknown=0, NotChecked=0, Total=17556 [2021-10-08 19:36:33,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:36:33,494 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:36:33,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 2.4511278195488724) internal successors, (326), 133 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:36:33,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:36:33,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:36:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-10-08 19:36:33,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:37:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:37:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:37:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:37:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:37:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:37:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:37:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:37:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:37:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:37:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:37:16,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:37:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:37:16,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-08 19:37:16,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-08 19:37:16,253 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:37:16,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:37:16,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1275176181, now seen corresponding path program 15 times [2021-10-08 19:37:16,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:37:16,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276491926] [2021-10-08 19:37:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:37:16,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:37:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:37:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:37:33,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:37:33,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276491926] [2021-10-08 19:37:33,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276491926] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:37:33,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191921467] [2021-10-08 19:37:33,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 19:37:33,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:37:33,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:37:33,475 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:37:33,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-08 19:37:36,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 19:37:36,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:37:36,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 104 conjunts are in the unsatisfiable core [2021-10-08 19:37:36,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:37:39,557 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 19:37:39,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 28 [2021-10-08 19:37:45,665 INFO L354 Elim1Store]: treesize reduction 88, result has 12.0 percent of original size [2021-10-08 19:37:45,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 63 [2021-10-08 19:37:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-08 19:37:47,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191921467] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:37:47,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:37:47,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 45] total 103 [2021-10-08 19:37:47,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736490521] [2021-10-08 19:37:47,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2021-10-08 19:37:47,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:37:47,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-10-08 19:37:47,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=10171, Unknown=0, NotChecked=0, Total=10506 [2021-10-08 19:37:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:37:47,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:37:47,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 2.737864077669903) internal successors, (282), 103 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:37:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:37:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:37:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:37:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:37:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:37:47,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:37:47,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:37:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:37:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:37:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:37:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:37:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:37:47,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:38:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:38:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:38:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:38:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:38:09,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:38:09,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-08 19:38:09,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-08 19:38:10,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:38:10,099 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:38:10,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:38:10,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2106649820, now seen corresponding path program 16 times [2021-10-08 19:38:10,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:38:10,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749672582] [2021-10-08 19:38:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:38:10,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:38:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:38:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:38:28,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:38:28,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749672582] [2021-10-08 19:38:28,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749672582] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:38:28,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308980838] [2021-10-08 19:38:28,237 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 19:38:28,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:38:28,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:38:28,239 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:38:28,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-08 19:38:32,016 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 19:38:32,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:38:32,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 158 conjunts are in the unsatisfiable core [2021-10-08 19:38:32,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:38:32,075 INFO L388 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 [2021-10-08 19:38:32,455 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:38:32,455 INFO L388 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 [2021-10-08 19:38:36,890 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:38:36,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 26 [2021-10-08 19:38:46,017 INFO L354 Elim1Store]: treesize reduction 90, result has 1.1 percent of original size [2021-10-08 19:38:46,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 28 [2021-10-08 19:38:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:38:47,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308980838] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:38:47,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:38:47,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 69] total 119 [2021-10-08 19:38:47,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837253696] [2021-10-08 19:38:47,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2021-10-08 19:38:47,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:38:47,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-10-08 19:38:47,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=13586, Unknown=0, NotChecked=0, Total=14042 [2021-10-08 19:38:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:38:47,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:38:47,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 2.3781512605042017) internal successors, (283), 119 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:38:47,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:38:47,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:38:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:38:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:38:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:38:47,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:38:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:38:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:38:47,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:38:47,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:38:47,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:38:47,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:38:47,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:38:47,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:38:47,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:38:47,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-08 19:38:47,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:39:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:39:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-10-08 19:39:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-10-08 19:39:12,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-08 19:39:12,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-08 19:39:12,936 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:39:12,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:39:12,937 INFO L82 PathProgramCache]: Analyzing trace with hash -56414012, now seen corresponding path program 17 times [2021-10-08 19:39:12,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:39:12,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969571144] [2021-10-08 19:39:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:39:12,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:39:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:39:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 183 proven. 122 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-08 19:39:13,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:39:13,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969571144] [2021-10-08 19:39:13,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969571144] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:39:13,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922007349] [2021-10-08 19:39:13,248 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 19:39:13,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:39:13,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:39:13,249 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:39:13,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-08 19:39:17,299 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-08 19:39:17,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:39:17,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-08 19:39:17,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:39:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 139 proven. 166 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-08 19:39:19,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922007349] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:39:19,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:39:19,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26] total 48 [2021-10-08 19:39:19,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665220041] [2021-10-08 19:39:19,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-10-08 19:39:19,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:39:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-10-08 19:39:19,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1940, Unknown=0, NotChecked=0, Total=2256 [2021-10-08 19:39:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:39:19,177 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:39:19,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.166666666666667) internal successors, (344), 48 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:39:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:39:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:39:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:39:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:39:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:39:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:39:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:39:19,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:39:19,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:39:19,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-10-08 19:39:19,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-10-08 19:39:19,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:39:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:39:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:39:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:39:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:39:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:39:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:39:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:39:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:39:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:39:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:39:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:39:26,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-08 19:39:27,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-08 19:39:27,125 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:39:27,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:39:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1478699855, now seen corresponding path program 18 times [2021-10-08 19:39:27,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:39:27,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709179256] [2021-10-08 19:39:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:39:27,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:39:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:39:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:39:46,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:39:46,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709179256] [2021-10-08 19:39:46,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709179256] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:39:46,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150564018] [2021-10-08 19:39:46,727 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 19:39:46,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:39:46,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:39:46,728 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:39:46,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-08 19:39:51,038 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-10-08 19:39:51,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:39:51,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 148 conjunts are in the unsatisfiable core [2021-10-08 19:39:51,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:39:55,769 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:39:55,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:40:03,646 INFO L354 Elim1Store]: treesize reduction 225, result has 15.4 percent of original size [2021-10-08 19:40:03,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 77 [2021-10-08 19:40:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-08 19:40:06,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150564018] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:40:06,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:40:06,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 62] total 133 [2021-10-08 19:40:06,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042794212] [2021-10-08 19:40:06,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2021-10-08 19:40:06,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:40:06,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2021-10-08 19:40:06,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=461, Invalid=17095, Unknown=0, NotChecked=0, Total=17556 [2021-10-08 19:40:06,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:06,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:40:06,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 2.593984962406015) internal successors, (345), 133 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:40:06,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:06,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:40:06,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:40:06,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:40:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:40:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:40:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:45,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-08 19:40:45,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:40:45,653 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:40:45,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:40:45,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1249606874, now seen corresponding path program 19 times [2021-10-08 19:40:45,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:40:45,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893462416] [2021-10-08 19:40:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:40:45,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:40:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:40:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 191 proven. 167 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-08 19:40:46,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:40:46,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893462416] [2021-10-08 19:40:46,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893462416] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:40:46,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404146225] [2021-10-08 19:40:46,034 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 19:40:46,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:40:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:40:46,035 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:40:46,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-08 19:40:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:40:50,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-08 19:40:50,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:40:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 204 proven. 154 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-08 19:40:52,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404146225] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:40:52,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:40:52,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 49 [2021-10-08 19:40:52,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635114824] [2021-10-08 19:40:52,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-08 19:40:52,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:40:52,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-08 19:40:52,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1988, Unknown=0, NotChecked=0, Total=2352 [2021-10-08 19:40:52,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:52,111 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:40:52,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.775510204081633) internal successors, (332), 49 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:40:52,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:40:52,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:52,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:40:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:40:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:40:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:40:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:40:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:40:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:40:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:40:53,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-08 19:40:53,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-08 19:40:53,787 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:40:53,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:40:53,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1660062025, now seen corresponding path program 20 times [2021-10-08 19:40:53,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:40:53,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455466493] [2021-10-08 19:40:53,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:40:53,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:40:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:40:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:40:55,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:40:55,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455466493] [2021-10-08 19:40:55,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455466493] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:40:55,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903191272] [2021-10-08 19:40:55,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 19:40:55,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:40:55,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:40:55,770 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:40:55,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-08 19:41:00,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 19:41:00,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:41:00,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 95 conjunts are in the unsatisfiable core [2021-10-08 19:41:00,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:41:00,383 INFO L388 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 [2021-10-08 19:41:00,425 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-10-08 19:41:00,426 INFO L388 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 [2021-10-08 19:41:01,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 19:41:01,325 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 19:41:01,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 14 [2021-10-08 19:41:02,940 INFO L388 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 15 treesize of output 11 [2021-10-08 19:41:03,295 INFO L388 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 15 treesize of output 11 [2021-10-08 19:41:03,734 INFO L388 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 15 treesize of output 11 [2021-10-08 19:41:04,495 INFO L388 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 20 treesize of output 16 [2021-10-08 19:41:04,776 INFO L388 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 17 treesize of output 13 [2021-10-08 19:41:06,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2021-10-08 19:41:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:41:06,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903191272] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:41:06,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:41:06,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 46] total 82 [2021-10-08 19:41:06,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640978047] [2021-10-08 19:41:06,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2021-10-08 19:41:06,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:41:06,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-10-08 19:41:06,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=6270, Unknown=0, NotChecked=0, Total=6642 [2021-10-08 19:41:06,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:06,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:41:06,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.536585365853658) internal successors, (372), 82 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:41:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:41:06,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:41:06,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:41:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:41:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:41:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:41:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:41:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:41:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:41:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:41:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-08 19:41:16,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-08 19:41:16,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-08 19:41:16,397 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:41:16,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:41:16,398 INFO L82 PathProgramCache]: Analyzing trace with hash -444142534, now seen corresponding path program 21 times [2021-10-08 19:41:16,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:41:16,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306562431] [2021-10-08 19:41:16,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:41:16,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:41:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:41:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 3 proven. 246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:41:17,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:41:17,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306562431] [2021-10-08 19:41:17,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306562431] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:41:17,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698184754] [2021-10-08 19:41:17,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 19:41:17,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:41:17,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:41:17,932 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:41:17,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-08 19:41:22,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-10-08 19:41:22,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:41:22,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-08 19:41:22,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:41:24,080 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 19:41:24,081 INFO L388 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 29 treesize of output 16 [2021-10-08 19:41:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-10-08 19:41:24,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698184754] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:41:24,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:41:24,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 9] total 42 [2021-10-08 19:41:24,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007412806] [2021-10-08 19:41:24,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-10-08 19:41:24,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:41:24,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-10-08 19:41:24,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1538, Unknown=0, NotChecked=0, Total=1722 [2021-10-08 19:41:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:24,147 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:41:24,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.833333333333333) internal successors, (287), 42 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:41:24,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:24,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:41:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-10-08 19:41:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:41:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-10-08 19:41:34,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-08 19:41:35,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-08 19:41:35,131 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:41:35,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:41:35,132 INFO L82 PathProgramCache]: Analyzing trace with hash -690703413, now seen corresponding path program 22 times [2021-10-08 19:41:35,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:41:35,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161458076] [2021-10-08 19:41:35,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:41:35,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:41:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:41:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 10 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:41:52,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:41:52,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161458076] [2021-10-08 19:41:52,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161458076] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:41:52,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127634222] [2021-10-08 19:41:52,764 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 19:41:52,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:41:52,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:41:52,771 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:41:52,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-08 19:41:57,821 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 19:41:57,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:41:57,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 167 conjunts are in the unsatisfiable core [2021-10-08 19:41:57,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:42:03,336 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 19:42:03,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 28 treesize of output 27 [2021-10-08 19:42:13,834 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-10-08 19:42:13,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 114 treesize of output 26 [2021-10-08 19:42:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 19:42:15,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127634222] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:42:15,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:42:15,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 71] total 149 [2021-10-08 19:42:15,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071368917] [2021-10-08 19:42:15,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2021-10-08 19:42:15,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:42:15,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2021-10-08 19:42:15,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=21530, Unknown=0, NotChecked=0, Total=22052 [2021-10-08 19:42:15,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:42:15,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:42:15,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 2.6040268456375837) internal successors, (388), 149 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:42:15,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:42:15,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:42:15,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-10-08 19:42:15,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:43:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:43:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:43:03,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:43:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:03,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2021-10-08 19:43:03,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-08 19:43:03,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-08 19:43:03,926 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:43:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:43:03,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1161554602, now seen corresponding path program 23 times [2021-10-08 19:43:03,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:43:03,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421858738] [2021-10-08 19:43:03,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:43:03,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:43:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:43:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 291 proven. 219 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 19:43:04,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:43:04,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421858738] [2021-10-08 19:43:04,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421858738] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:43:04,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21396189] [2021-10-08 19:43:04,372 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 19:43:04,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:43:04,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:43:04,373 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:43:04,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-08 19:43:09,949 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-10-08 19:43:09,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:43:09,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-08 19:43:09,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:43:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 306 proven. 204 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 19:43:11,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21396189] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:43:11,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:43:11,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 55 [2021-10-08 19:43:11,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569633610] [2021-10-08 19:43:11,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-10-08 19:43:11,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:43:11,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-10-08 19:43:11,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=2520, Unknown=0, NotChecked=0, Total=2970 [2021-10-08 19:43:11,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:11,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:43:11,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.6909090909090905) internal successors, (368), 55 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:43:11,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2021-10-08 19:43:11,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:43:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:43:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:43:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-10-08 19:43:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:13,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-08 19:43:13,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:43:13,894 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:43:13,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:43:13,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2007438371, now seen corresponding path program 24 times [2021-10-08 19:43:13,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:43:13,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535394875] [2021-10-08 19:43:13,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:43:13,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:43:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:43:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 163 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:43:16,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:43:16,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535394875] [2021-10-08 19:43:16,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535394875] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:43:16,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737367612] [2021-10-08 19:43:16,520 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 19:43:16,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:43:16,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:43:16,521 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:43:16,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-08 19:43:22,139 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-10-08 19:43:22,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 19:43:22,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 19:43:22,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 19:43:23,877 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-10-08 19:43:23,878 INFO L388 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 29 treesize of output 16 [2021-10-08 19:43:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-10-08 19:43:23,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737367612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:43:23,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 19:43:23,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 11] total 54 [2021-10-08 19:43:23,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4743512] [2021-10-08 19:43:23,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-10-08 19:43:23,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:43:23,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-10-08 19:43:23,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=2651, Unknown=0, NotChecked=0, Total=2862 [2021-10-08 19:43:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:23,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:43:23,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.055555555555555) internal successors, (327), 54 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 19:43:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:43:23,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:43:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:43:23,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:23,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:43:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 19:43:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 19:43:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 19:43:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-08 19:43:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-08 19:43:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2021-10-08 19:43:32,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 19:43:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-10-08 19:43:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-08 19:43:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2021-10-08 19:43:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-08 19:43:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-08 19:43:32,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-10-08 19:43:32,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:43:32,545 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:43:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:43:32,546 INFO L82 PathProgramCache]: Analyzing trace with hash -249287301, now seen corresponding path program 25 times [2021-10-08 19:43:32,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:43:32,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220461093] [2021-10-08 19:43:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:43:32,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:43:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:43:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 144 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 19:43:34,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:43:34,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220461093] [2021-10-08 19:43:34,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220461093] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 19:43:34,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106209207] [2021-10-08 19:43:34,425 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 19:43:34,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 19:43:34,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:43:34,426 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 19:43:34,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-08 19:43:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:43:40,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 86 conjunts are in the unsatisfiable core [2021-10-08 19:43:40,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-10-08 19:43:42,196 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-08 19:43:42,216 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/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 [2021-10-08 19:43:42,217 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 19:43:42,217 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/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 [2021-10-08 19:43:42,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-08 19:43:42,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-10-08 19:43:42,398 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 60 known predicates. [2021-10-08 19:43:42,400 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 19:43:42,401 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 19:43:42,411 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 19:43:42,412 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 19:43:42,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 07:43:42 BasicIcfg [2021-10-08 19:43:42,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 19:43:42,414 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-08 19:43:42,415 INFO L168 Benchmark]: Toolchain (without parser) took 758217.84 ms. Allocated memory was 160.4 MB in the beginning and 1.0 GB in the end (delta: 885.0 MB). Free memory was 138.6 MB in the beginning and 267.4 MB in the end (delta: -128.8 MB). Peak memory consumption was 756.1 MB. Max. memory is 8.0 GB. [2021-10-08 19:43:42,415 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 160.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 19:43:42,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.85 ms. Allocated memory is still 160.4 MB. Free memory was 138.1 MB in the beginning and 127.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-08 19:43:42,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.79 ms. Allocated memory is still 160.4 MB. Free memory was 127.1 MB in the beginning and 125.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 19:43:42,416 INFO L168 Benchmark]: Boogie Preprocessor took 118.54 ms. Allocated memory is still 160.4 MB. Free memory was 125.1 MB in the beginning and 141.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 1.7 MB. Max. memory is 8.0 GB. [2021-10-08 19:43:42,417 INFO L168 Benchmark]: RCFGBuilder took 805.75 ms. Allocated memory is still 160.4 MB. Free memory was 141.4 MB in the beginning and 119.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-10-08 19:43:42,417 INFO L168 Benchmark]: TraceAbstraction took 756860.41 ms. Allocated memory was 160.4 MB in the beginning and 1.0 GB in the end (delta: 885.0 MB). Free memory was 119.0 MB in the beginning and 267.4 MB in the end (delta: -148.4 MB). Peak memory consumption was 737.7 MB. Max. memory is 8.0 GB. [2021-10-08 19:43:42,419 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 160.4 MB. Free memory was 131.9 MB in the beginning and 131.8 MB in the end (delta: 69.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 359.85 ms. Allocated memory is still 160.4 MB. Free memory was 138.1 MB in the beginning and 127.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.79 ms. Allocated memory is still 160.4 MB. Free memory was 127.1 MB in the beginning and 125.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.54 ms. Allocated memory is still 160.4 MB. Free memory was 125.1 MB in the beginning and 141.4 MB in the end (delta: -16.2 MB). Peak memory consumption was 1.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 805.75 ms. Allocated memory is still 160.4 MB. Free memory was 141.4 MB in the beginning and 119.7 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 756860.41 ms. Allocated memory was 160.4 MB in the beginning and 1.0 GB in the end (delta: 885.0 MB). Free memory was 119.0 MB in the beginning and 267.4 MB in the end (delta: -148.4 MB). Peak memory consumption was 737.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11448, positive: 8027, positive conditional: 6999, positive unconditional: 1028, negative: 3421, negative conditional: 3412, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8058, positive: 8027, positive conditional: 6999, positive unconditional: 1028, negative: 31, negative conditional: 22, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8058, positive: 8027, positive conditional: 6999, positive unconditional: 1028, negative: 31, negative conditional: 22, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8444, positive: 8027, positive conditional: 6940, positive unconditional: 1087, negative: 417, negative conditional: 386, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8444, positive: 8027, positive conditional: 3811, positive unconditional: 4216, negative: 417, negative conditional: 336, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8444, positive: 8027, positive conditional: 3811, positive unconditional: 4216, negative: 417, negative conditional: 336, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, positive: 955, positive conditional: 132, positive unconditional: 823, negative: 133, negative conditional: 124, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, positive: 830, positive conditional: 0, positive unconditional: 830, negative: 258, negative conditional: 0, negative unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 258, positive: 125, positive conditional: 122, positive unconditional: 3, negative: 133, negative conditional: 124, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 916, positive: 477, positive conditional: 425, positive unconditional: 52, negative: 440, negative conditional: 390, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8444, positive: 7072, positive conditional: 3679, positive unconditional: 3393, negative: 284, negative conditional: 212, negative unconditional: 72, unknown: 1088, unknown conditional: 256, unknown unconditional: 832] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 955, Positive conditional cache size: 132, Positive unconditional cache size: 823, Negative cache size: 133, Negative conditional cache size: 124, Negative unconditional cache size: 9, Eliminated conditions: 3179, Maximal queried relation: 13, Independence queries for same thread: 3390 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 203, Number of persistent set computation: 202, Number of trivial persistent sets: 125, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1037, positive: 1028, positive conditional: 0, positive unconditional: 1028, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11448, positive: 8027, positive conditional: 6999, positive unconditional: 1028, negative: 3421, negative conditional: 3412, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8058, positive: 8027, positive conditional: 6999, positive unconditional: 1028, negative: 31, negative conditional: 22, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8058, positive: 8027, positive conditional: 6999, positive unconditional: 1028, negative: 31, negative conditional: 22, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8444, positive: 8027, positive conditional: 6940, positive unconditional: 1087, negative: 417, negative conditional: 386, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8444, positive: 8027, positive conditional: 3811, positive unconditional: 4216, negative: 417, negative conditional: 336, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8444, positive: 8027, positive conditional: 3811, positive unconditional: 4216, negative: 417, negative conditional: 336, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, positive: 955, positive conditional: 132, positive unconditional: 823, negative: 133, negative conditional: 124, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, positive: 830, positive conditional: 0, positive unconditional: 830, negative: 258, negative conditional: 0, negative unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 258, positive: 125, positive conditional: 122, positive unconditional: 3, negative: 133, negative conditional: 124, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 916, positive: 477, positive conditional: 425, positive unconditional: 52, negative: 440, negative conditional: 390, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8444, positive: 7072, positive conditional: 3679, positive unconditional: 3393, negative: 284, negative conditional: 212, negative unconditional: 72, unknown: 1088, unknown conditional: 256, unknown unconditional: 832] , Statistics on independence cache: Total cache size (in pairs): 1088, Positive cache size: 955, Positive conditional cache size: 132, Positive unconditional cache size: 823, Negative cache size: 133, Negative conditional cache size: 124, Negative unconditional cache size: 9, Eliminated conditions: 3179, Maximal queried relation: 13, Independence queries for same thread: 3390 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 224 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 60 known predicates. - TimeoutResultAtElement [Line: 99]: 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 224 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 60 known predicates. - TimeoutResultAtElement [Line: 100]: 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 224 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 60 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 145 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 756723.2ms, OverallIterations: 32, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.0ms, PartialOrderReductionTime: 348140.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1981, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 599.0ms SsaConstructionTime, 6305.1ms SatisfiabilityAnalysisTime, 323187.2ms InterpolantComputationTime, 9176 NumberOfCodeBlocks, 9113 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 9117 ConstructedInterpolants, 202 QuantifiedInterpolants, 208103 SizeOfPredicates, 836 NumberOfNonLiveVariables, 10060 ConjunctsInSsa, 1969 ConjunctsInUnsatCore, 59 InterpolantComputations, 4 PerfectInterpolantSequences, 2443/8251 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