./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54b834084fe1393c06cef2b14fb31f788537bd44a8744d5b4241cffc72e1d744 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 04:56:40,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 04:56:40,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 04:56:40,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 04:56:40,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 04:56:40,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 04:56:40,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 04:56:40,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 04:56:40,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 04:56:40,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 04:56:40,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 04:56:40,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 04:56:40,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 04:56:40,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 04:56:40,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 04:56:40,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 04:56:40,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 04:56:40,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 04:56:40,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 04:56:40,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 04:56:40,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 04:56:40,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 04:56:40,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 04:56:40,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 04:56:40,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 04:56:40,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 04:56:40,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 04:56:40,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 04:56:40,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 04:56:40,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 04:56:40,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 04:56:40,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 04:56:40,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 04:56:40,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 04:56:40,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 04:56:40,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 04:56:40,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 04:56:40,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 04:56:40,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 04:56:40,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 04:56:40,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 04:56:40,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-07 04:56:40,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 04:56:40,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 04:56:40,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 04:56:40,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 04:56:40,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 04:56:40,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 04:56:40,758 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 04:56:40,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 04:56:40,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 04:56:40,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 04:56:40,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 04:56:40,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 04:56:40,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 04:56:40,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 04:56:40,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 04:56:40,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 04:56:40,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 04:56:40,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 04:56:40,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 04:56:40,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 04:56:40,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 04:56:40,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-07 04:56:40,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 04:56:40,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:40,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 04:56:40,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 04:56:40,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 04:56:40,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 04:56:40,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 04:56:40,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 04:56:40,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 04:56:40,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 04:56:40,778 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 04:56:40,778 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 04:56:40,779 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b834084fe1393c06cef2b14fb31f788537bd44a8744d5b4241cffc72e1d744 [2021-11-07 04:56:41,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 04:56:41,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 04:56:41,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 04:56:41,103 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 04:56:41,104 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 04:56:41,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2021-11-07 04:56:41,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/data/c8fbd3416/632a804bdb3745d7bae92bd1d4d024e3/FLAG202ffd16d [2021-11-07 04:56:41,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 04:56:41,639 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2021-11-07 04:56:41,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/data/c8fbd3416/632a804bdb3745d7bae92bd1d4d024e3/FLAG202ffd16d [2021-11-07 04:56:42,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/data/c8fbd3416/632a804bdb3745d7bae92bd1d4d024e3 [2021-11-07 04:56:42,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 04:56:42,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 04:56:42,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:42,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 04:56:42,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 04:56:42,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c2a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42, skipping insertion in model container [2021-11-07 04:56:42,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 04:56:42,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 04:56:42,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3642,3655] [2021-11-07 04:56:42,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:42,422 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 04:56:42,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c[3642,3655] [2021-11-07 04:56:42,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:42,472 INFO L208 MainTranslator]: Completed translation [2021-11-07 04:56:42,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42 WrapperNode [2021-11-07 04:56:42,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:42,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:42,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 04:56:42,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 04:56:42,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:42,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 04:56:42,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 04:56:42,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 04:56:42,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 04:56:42,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 04:56:42,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 04:56:42,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 04:56:42,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (1/1) ... [2021-11-07 04:56:42,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:42,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:42,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 04:56:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 04:56:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 04:56:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 04:56:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 04:56:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 04:56:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 04:56:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 04:56:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 04:56:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 04:56:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-07 04:56:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-07 04:56:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 04:56:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 04:56:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 04:56:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 04:56:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 04:56:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 04:56:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 04:56:42,768 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 04:56:43,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 04:56:43,999 INFO L299 CfgBuilder]: Removed 53 assume(true) statements. [2021-11-07 04:56:44,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:44 BoogieIcfgContainer [2021-11-07 04:56:44,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 04:56:44,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 04:56:44,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 04:56:44,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 04:56:44,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:42" (1/3) ... [2021-11-07 04:56:44,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daef59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:44, skipping insertion in model container [2021-11-07 04:56:44,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:42" (2/3) ... [2021-11-07 04:56:44,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daef59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:44, skipping insertion in model container [2021-11-07 04:56:44,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:44" (3/3) ... [2021-11-07 04:56:44,016 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2021-11-07 04:56:44,022 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 04:56:44,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 04:56:44,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 04:56:44,023 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 04:56:44,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,088 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,089 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,091 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,093 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,093 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,093 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,094 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,095 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,095 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,096 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,100 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,100 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,101 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,101 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,102 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,103 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,103 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,103 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,104 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,106 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,106 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,106 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,108 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,109 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,109 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,109 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,109 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,110 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,110 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,111 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,118 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,120 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,123 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,125 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,125 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,127 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,127 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,127 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,127 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,128 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,128 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,128 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,128 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,128 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,129 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,129 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,129 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,129 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,130 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,130 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,130 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,130 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,130 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,131 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,131 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,132 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,132 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,132 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,133 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,133 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,133 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,133 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,133 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,134 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,134 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,134 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,134 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,135 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,135 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,135 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,135 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,142 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,145 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,145 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,147 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,147 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,149 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,150 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,151 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,151 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,153 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,154 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,154 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,154 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,154 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,154 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,155 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,155 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,155 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,155 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,155 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,156 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,156 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,159 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,159 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,160 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,161 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,161 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,161 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:44,170 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-07 04:56:44,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:44,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:44,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 04:56:44,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:44,275 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 04:56:44,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-07 04:56:44,671 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:44,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:44,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1669538245, now seen corresponding path program 1 times [2021-11-07 04:56:44,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388191559] [2021-11-07 04:56:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:44,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:44,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388191559] [2021-11-07 04:56:44,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388191559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:44,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:44,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:44,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682103485] [2021-11-07 04:56:44,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:44,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:45,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:45,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:45,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 04:56:45,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:45,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2105467105, now seen corresponding path program 1 times [2021-11-07 04:56:45,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443821283] [2021-11-07 04:56:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:45,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443821283] [2021-11-07 04:56:45,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443821283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:45,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:45,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 04:56:45,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593770500] [2021-11-07 04:56:45,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:45,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:45,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,533 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:45,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:45,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 04:56:45,728 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,729 INFO L85 PathProgramCache]: Analyzing trace with hash 8219653, now seen corresponding path program 1 times [2021-11-07 04:56:45,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920022038] [2021-11-07 04:56:45,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:46,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:46,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920022038] [2021-11-07 04:56:46,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920022038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:46,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:46,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 04:56:46,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267873290] [2021-11-07 04:56:46,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 04:56:46,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 04:56:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-07 04:56:46,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:46,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:46,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:46,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 04:56:46,322 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:46,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1543317115, now seen corresponding path program 1 times [2021-11-07 04:56:46,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:46,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092298964] [2021-11-07 04:56:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:46,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:46,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:46,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092298964] [2021-11-07 04:56:46,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092298964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:46,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:46,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 04:56:46,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910554499] [2021-11-07 04:56:46,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 04:56:46,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:46,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 04:56:46,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 04:56:46,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:46,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:46,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:47,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 04:56:47,442 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:47,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:47,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1077864394, now seen corresponding path program 1 times [2021-11-07 04:56:47,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:47,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170789113] [2021-11-07 04:56:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:47,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:47,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:47,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170789113] [2021-11-07 04:56:47,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170789113] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:47,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215525712] [2021-11-07 04:56:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:47,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:47,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:47,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:47,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 04:56:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 04:56:47,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:49,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215525712] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:49,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:49,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2021-11-07 04:56:49,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654335134] [2021-11-07 04:56:49,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:56:49,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:49,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:56:49,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:56:49,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:49,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.058823529411764) internal successors, (239), 17 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:49,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:56:50,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:50,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:50,367 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash 885955337, now seen corresponding path program 1 times [2021-11-07 04:56:50,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:50,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323978152] [2021-11-07 04:56:50,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:50,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:51,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:51,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323978152] [2021-11-07 04:56:51,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323978152] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:51,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936789016] [2021-11-07 04:56:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:51,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:51,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:51,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:51,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 04:56:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:51,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-07 04:56:51,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:54,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:56:54,164 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:56:54,165 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 19 treesize of output 10 [2021-11-07 04:56:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:54,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936789016] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:54,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:54,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25] total 45 [2021-11-07 04:56:54,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467557012] [2021-11-07 04:56:54,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-07 04:56:54,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-07 04:56:54,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1807, Unknown=0, NotChecked=0, Total=1980 [2021-11-07 04:56:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,596 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.733333333333333) internal successors, (258), 45 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:56:54,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:56:56,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:56,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:56:56,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:56:56,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:56,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:56,912 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:56,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:56,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1364853193, now seen corresponding path program 1 times [2021-11-07 04:56:56,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:56,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901105964] [2021-11-07 04:56:56,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:56,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 04:56:57,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:57,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901105964] [2021-11-07 04:56:57,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901105964] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:57,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608979561] [2021-11-07 04:56:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:57,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:57,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:57,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:57,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 04:56:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-07 04:56:57,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:59,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:56:59,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:56:59,751 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 21 treesize of output 12 [2021-11-07 04:57:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:00,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608979561] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:00,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:00,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 25] total 32 [2021-11-07 04:57:00,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938392911] [2021-11-07 04:57:00,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-07 04:57:00,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:00,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-07 04:57:00,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2021-11-07 04:57:00,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:00,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.84375) internal successors, (251), 32 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:57:00,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:02,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:57:02,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-07 04:57:02,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-07 04:57:02,461 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:02,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:02,462 INFO L85 PathProgramCache]: Analyzing trace with hash -273292855, now seen corresponding path program 1 times [2021-11-07 04:57:02,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:02,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254332096] [2021-11-07 04:57:02,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:02,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:03,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:03,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254332096] [2021-11-07 04:57:03,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254332096] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:03,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657724323] [2021-11-07 04:57:03,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:03,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:03,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:03,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 04:57:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:03,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-07 04:57:03,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:05,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:57:05,925 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:57:05,926 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 21 treesize of output 12 [2021-11-07 04:57:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:06,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657724323] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:06,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:06,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25] total 45 [2021-11-07 04:57:06,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512073346] [2021-11-07 04:57:06,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-07 04:57:06,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:06,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-07 04:57:06,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1805, Unknown=0, NotChecked=0, Total=1980 [2021-11-07 04:57:06,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:06,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.733333333333333) internal successors, (258), 45 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:57:06,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:57:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:57:08,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:08,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-07 04:57:08,259 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:08,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:08,260 INFO L85 PathProgramCache]: Analyzing trace with hash 205605001, now seen corresponding path program 1 times [2021-11-07 04:57:08,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:08,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650508473] [2021-11-07 04:57:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:08,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:08,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 04:57:08,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:08,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650508473] [2021-11-07 04:57:08,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650508473] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:08,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762976755] [2021-11-07 04:57:08,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:08,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:08,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:08,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:08,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 04:57:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:09,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-07 04:57:09,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:09,515 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 [2021-11-07 04:57:09,552 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 04:57:09,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 04:57:10,264 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-07 04:57:10,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2021-11-07 04:57:10,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2021-11-07 04:57:11,698 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 [2021-11-07 04:57:11,933 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 [2021-11-07 04:57:12,138 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 16 treesize of output 12 [2021-11-07 04:57:12,307 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 16 treesize of output 12 [2021-11-07 04:57:12,761 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-11-07 04:57:12,761 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 23 treesize of output 10 [2021-11-07 04:57:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:13,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762976755] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:13,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:13,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 33] total 40 [2021-11-07 04:57:13,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38866840] [2021-11-07 04:57:13,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-07 04:57:13,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:13,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-07 04:57:13,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1403, Unknown=0, NotChecked=0, Total=1560 [2021-11-07 04:57:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:13,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:13,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 7.15) internal successors, (286), 40 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:13,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:13,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:13,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:13,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:13,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:13,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:13,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:57:13,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 04:57:13,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:18,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 04:57:18,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:18,497 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:18,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:18,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2052030990, now seen corresponding path program 2 times [2021-11-07 04:57:18,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:18,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096485761] [2021-11-07 04:57:18,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:18,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:18,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:18,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096485761] [2021-11-07 04:57:18,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096485761] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:18,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500460650] [2021-11-07 04:57:18,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:57:18,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:18,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:18,755 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:18,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 04:57:20,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:20,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:20,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 04:57:20,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:21,012 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:21,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500460650] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:21,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:21,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-11-07 04:57:21,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533120274] [2021-11-07 04:57:21,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 04:57:21,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:21,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 04:57:21,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2021-11-07 04:57:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:21,016 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:21,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.84) internal successors, (246), 25 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:21,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:21,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:22,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:22,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:22,524 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:22,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:22,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1474352854, now seen corresponding path program 3 times [2021-11-07 04:57:22,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:22,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824409411] [2021-11-07 04:57:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:22,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:57:23,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:23,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824409411] [2021-11-07 04:57:23,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824409411] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:23,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515418255] [2021-11-07 04:57:23,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:57:23,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:23,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:23,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:23,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 04:57:24,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 04:57:24,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:24,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-07 04:57:24,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:25,344 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 [2021-11-07 04:57:25,526 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 [2021-11-07 04:57:26,303 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 [2021-11-07 04:57:26,477 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 [2021-11-07 04:57:26,627 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 [2021-11-07 04:57:26,796 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 [2021-11-07 04:57:27,495 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-11-07 04:57:27,496 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 [2021-11-07 04:57:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 04:57:27,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515418255] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:27,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:27,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 34] total 50 [2021-11-07 04:57:27,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931960207] [2021-11-07 04:57:27,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-11-07 04:57:27,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:27,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-11-07 04:57:27,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2284, Unknown=0, NotChecked=0, Total=2450 [2021-11-07 04:57:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:27,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:27,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 6.04) internal successors, (302), 50 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:27,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:32,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:32,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-07 04:57:32,663 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:32,663 INFO L85 PathProgramCache]: Analyzing trace with hash -900401634, now seen corresponding path program 4 times [2021-11-07 04:57:32,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:32,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735752933] [2021-11-07 04:57:32,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:32,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:33,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:33,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735752933] [2021-11-07 04:57:33,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735752933] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:33,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294559106] [2021-11-07 04:57:33,126 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 04:57:33,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:33,131 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:33,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 04:57:34,486 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 04:57:34,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:34,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 04:57:34,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 04:57:35,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294559106] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:35,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:35,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 36 [2021-11-07 04:57:35,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784563878] [2021-11-07 04:57:35,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-07 04:57:35,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:35,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-07 04:57:35,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1101, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 04:57:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:35,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.805555555555555) internal successors, (281), 36 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:57:36,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-07 04:57:36,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:36,313 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:36,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:36,314 INFO L85 PathProgramCache]: Analyzing trace with hash -556081770, now seen corresponding path program 1 times [2021-11-07 04:57:36,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:36,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147559675] [2021-11-07 04:57:36,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:36,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:37,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:37,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147559675] [2021-11-07 04:57:37,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147559675] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:37,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095280421] [2021-11-07 04:57:37,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:37,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:37,265 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:37,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 04:57:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:38,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-07 04:57:38,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:57:41,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:57:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:57:41,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:57:41,577 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:57:41,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 18 [2021-11-07 04:57:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:41,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095280421] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:41,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:41,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 31] total 52 [2021-11-07 04:57:41,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165716809] [2021-11-07 04:57:41,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-11-07 04:57:41,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:41,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-11-07 04:57:41,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2460, Unknown=0, NotChecked=0, Total=2652 [2021-11-07 04:57:41,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:41,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:41,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.538461538461538) internal successors, (288), 52 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:41,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:41,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:41,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:57:41,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:57:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:57:44,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:44,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-07 04:57:44,204 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:44,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:44,205 INFO L85 PathProgramCache]: Analyzing trace with hash -77183914, now seen corresponding path program 2 times [2021-11-07 04:57:44,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:44,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196867222] [2021-11-07 04:57:44,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:44,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:57:44,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:44,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196867222] [2021-11-07 04:57:44,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196867222] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:44,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448145795] [2021-11-07 04:57:44,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:57:44,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:44,627 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:44,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 04:57:46,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:46,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:46,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-07 04:57:46,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:47,375 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 [2021-11-07 04:57:47,965 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 [2021-11-07 04:57:48,109 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 [2021-11-07 04:57:48,234 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 [2021-11-07 04:57:48,333 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 [2021-11-07 04:57:48,780 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 04:57:48,781 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 46 treesize of output 64 [2021-11-07 04:57:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 04:57:49,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448145795] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:49,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:49,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 34] total 43 [2021-11-07 04:57:49,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278374392] [2021-11-07 04:57:49,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-07 04:57:49,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:49,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-07 04:57:49,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1669, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 04:57:49,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:49,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:49,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.534883720930233) internal successors, (281), 43 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:49,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:49,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:57:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:57:49,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:57:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:57:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:57:52,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:52,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:52,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-07 04:57:52,400 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:52,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1243300302, now seen corresponding path program 2 times [2021-11-07 04:57:52,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:52,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768467013] [2021-11-07 04:57:52,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:52,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:53,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:53,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768467013] [2021-11-07 04:57:53,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768467013] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:53,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094450494] [2021-11-07 04:57:53,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:57:53,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:53,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:53,911 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:53,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 04:57:55,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:57:55,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:55,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-07 04:57:55,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:57,366 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 [2021-11-07 04:57:58,358 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 17 treesize of output 13 [2021-11-07 04:57:58,596 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 [2021-11-07 04:57:58,813 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 [2021-11-07 04:57:59,022 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 [2021-11-07 04:57:59,807 INFO L354 Elim1Store]: treesize reduction 32, result has 62.4 percent of original size [2021-11-07 04:57:59,807 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 41 treesize of output 65 [2021-11-07 04:58:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:00,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094450494] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:00,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:00,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 39] total 66 [2021-11-07 04:58:00,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190099564] [2021-11-07 04:58:00,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-07 04:58:00,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:00,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-07 04:58:00,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=4028, Unknown=0, NotChecked=0, Total=4290 [2021-11-07 04:58:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:00,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:00,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 4.893939393939394) internal successors, (323), 66 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:00,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:00,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:00,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:00,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:00,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:58:00,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:00,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:58:06,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 04:58:06,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:06,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-07 04:58:06,634 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:58:06,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:06,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1064903064, now seen corresponding path program 3 times [2021-11-07 04:58:06,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:06,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525799536] [2021-11-07 04:58:06,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:06,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:08,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:08,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525799536] [2021-11-07 04:58:08,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525799536] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:08,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858129337] [2021-11-07 04:58:08,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:58:08,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:08,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:08,425 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:08,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 04:58:10,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 04:58:10,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:10,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-07 04:58:10,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:11,669 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 [2021-11-07 04:58:12,566 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 [2021-11-07 04:58:12,769 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 [2021-11-07 04:58:12,974 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 [2021-11-07 04:58:13,159 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 [2021-11-07 04:58:13,850 INFO L354 Elim1Store]: treesize reduction 64, result has 37.9 percent of original size [2021-11-07 04:58:13,851 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 46 treesize of output 50 [2021-11-07 04:58:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 04:58:14,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858129337] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:14,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:14,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 34] total 59 [2021-11-07 04:58:14,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426562232] [2021-11-07 04:58:14,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2021-11-07 04:58:14,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:14,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-11-07 04:58:14,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=3242, Unknown=0, NotChecked=0, Total=3422 [2021-11-07 04:58:14,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:14,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.762711864406779) internal successors, (281), 59 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:14,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 04:58:14,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 04:58:21,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:21,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:21,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:21,852 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:58:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1501162046, now seen corresponding path program 4 times [2021-11-07 04:58:21,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:21,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291065826] [2021-11-07 04:58:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:21,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:22,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:22,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291065826] [2021-11-07 04:58:22,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291065826] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:22,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558608546] [2021-11-07 04:58:22,832 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 04:58:22,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:22,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:22,833 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:22,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 04:58:25,021 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 04:58:25,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:25,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-07 04:58:25,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:26,088 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 04:58:26,089 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 47 treesize of output 65 [2021-11-07 04:58:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:58:26,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558608546] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:26,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:26,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 19] total 45 [2021-11-07 04:58:26,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542885609] [2021-11-07 04:58:26,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-07 04:58:26,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:26,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-07 04:58:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1852, Unknown=0, NotChecked=0, Total=1980 [2021-11-07 04:58:26,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:26,466 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:26,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.377777777777778) internal successors, (287), 45 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) [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:26,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:26,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 04:58:26,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:26,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:30,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:30,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:30,744 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:58:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash 628448662, now seen corresponding path program 1 times [2021-11-07 04:58:30,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:30,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749685497] [2021-11-07 04:58:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:30,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:58:31,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:31,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749685497] [2021-11-07 04:58:31,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749685497] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:31,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269470643] [2021-11-07 04:58:31,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:31,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:31,413 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:31,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 04:58:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:33,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-07 04:58:33,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:35,701 INFO L354 Elim1Store]: treesize reduction 32, result has 62.4 percent of original size [2021-11-07 04:58:35,702 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 40 treesize of output 64 [2021-11-07 04:58:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:36,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269470643] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:36,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:36,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 31] total 47 [2021-11-07 04:58:36,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871865945] [2021-11-07 04:58:36,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-11-07 04:58:36,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-11-07 04:58:36,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1995, Unknown=0, NotChecked=0, Total=2162 [2021-11-07 04:58:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:36,108 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:36,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.829787234042553) internal successors, (274), 47 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:36,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:36,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:36,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:36,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:36,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:36,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:38,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:38,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-07 04:58:38,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-07 04:58:38,992 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:58:38,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1401985962, now seen corresponding path program 1 times [2021-11-07 04:58:38,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:38,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21099403] [2021-11-07 04:58:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:38,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:39,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:39,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21099403] [2021-11-07 04:58:39,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21099403] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:39,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132624011] [2021-11-07 04:58:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:39,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:39,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:39,807 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:39,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 04:58:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:42,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-07 04:58:42,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:58:44,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:58:44,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:58:44,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:58:44,077 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:58:44,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 21 [2021-11-07 04:58:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:58:44,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132624011] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:44,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:44,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20] total 34 [2021-11-07 04:58:44,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010150305] [2021-11-07 04:58:44,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-07 04:58:44,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:44,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 04:58:44,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1023, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 04:58:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:44,411 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:44,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.588235294117647) internal successors, (224), 34 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:44,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:44,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:58:45,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:45,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:45,957 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:58:45,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:45,957 INFO L85 PathProgramCache]: Analyzing trace with hash -923088106, now seen corresponding path program 1 times [2021-11-07 04:58:45,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:45,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536932627] [2021-11-07 04:58:45,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:45,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:46,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:46,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536932627] [2021-11-07 04:58:46,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536932627] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:46,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141812335] [2021-11-07 04:58:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:46,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:46,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:46,758 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:46,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 04:58:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:49,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-07 04:58:49,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:51,346 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-11-07 04:58:51,347 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 46 treesize of output 18 [2021-11-07 04:58:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:58:51,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141812335] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:51,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:51,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26] total 47 [2021-11-07 04:58:51,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855542283] [2021-11-07 04:58:51,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2021-11-07 04:58:51,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:51,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-11-07 04:58:51,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2029, Unknown=0, NotChecked=0, Total=2162 [2021-11-07 04:58:51,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:51,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:51,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.127659574468085) internal successors, (288), 47 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:51,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:51,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:58:51,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:58:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:58:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:58:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:54,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:54,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-11-07 04:58:54,918 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:58:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:54,919 INFO L85 PathProgramCache]: Analyzing trace with hash 397396110, now seen corresponding path program 2 times [2021-11-07 04:58:54,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:54,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126490473] [2021-11-07 04:58:54,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:54,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:58:55,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:55,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126490473] [2021-11-07 04:58:55,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126490473] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:55,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716923649] [2021-11-07 04:58:55,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:58:55,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:55,595 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:55,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-07 04:58:58,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:58:58,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:58:58,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 04:58:58,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:59,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 04:59:00,345 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 [2021-11-07 04:59:00,549 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 [2021-11-07 04:59:00,706 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 [2021-11-07 04:59:00,840 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 [2021-11-07 04:59:01,437 INFO L354 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2021-11-07 04:59:01,438 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 47 treesize of output 16 [2021-11-07 04:59:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:01,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716923649] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:01,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:01,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 33] total 49 [2021-11-07 04:59:01,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041158778] [2021-11-07 04:59:01,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 04:59:01,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:01,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 04:59:01,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2193, Unknown=0, NotChecked=0, Total=2352 [2021-11-07 04:59:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:01,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:01,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.3061224489795915) internal successors, (309), 49 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:01,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:01,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:05,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:05,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:05,570 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:05,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:05,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1910807256, now seen corresponding path program 3 times [2021-11-07 04:59:05,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:05,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164834456] [2021-11-07 04:59:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:05,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:06,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:06,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164834456] [2021-11-07 04:59:06,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164834456] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:06,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360451521] [2021-11-07 04:59:06,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:59:06,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:06,351 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:06,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-07 04:59:09,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 04:59:09,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:09,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-07 04:59:09,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:10,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:59:10,873 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:59:10,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 16 [2021-11-07 04:59:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:11,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360451521] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:11,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:11,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20] total 36 [2021-11-07 04:59:11,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217829446] [2021-11-07 04:59:11,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-07 04:59:11,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:11,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-07 04:59:11,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 04:59:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:11,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:11,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.0) internal successors, (252), 36 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:11,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:11,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:12,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:12,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-07 04:59:12,727 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:12,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:12,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1947901058, now seen corresponding path program 4 times [2021-11-07 04:59:12,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:12,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291116497] [2021-11-07 04:59:12,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:12,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:13,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:13,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291116497] [2021-11-07 04:59:13,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291116497] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:13,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342307037] [2021-11-07 04:59:13,170 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 04:59:13,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:13,171 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-07 04:59:16,386 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 04:59:16,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:16,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-07 04:59:16,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:17,698 INFO L354 Elim1Store]: treesize reduction 47, result has 50.0 percent of original size [2021-11-07 04:59:17,698 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 43 treesize of output 58 [2021-11-07 04:59:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:18,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342307037] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:18,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:18,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 25] total 36 [2021-11-07 04:59:18,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178833253] [2021-11-07 04:59:18,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-07 04:59:18,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:18,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-07 04:59:18,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1143, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 04:59:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:18,229 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:18,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.611111111111111) internal successors, (274), 36 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:18,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:18,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:19,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-07 04:59:20,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-07 04:59:20,163 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:20,163 INFO L85 PathProgramCache]: Analyzing trace with hash -103070634, now seen corresponding path program 2 times [2021-11-07 04:59:20,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:20,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848136912] [2021-11-07 04:59:20,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:20,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:20,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:20,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848136912] [2021-11-07 04:59:20,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848136912] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:20,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763977952] [2021-11-07 04:59:20,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:59:20,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:20,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:20,876 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:20,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 04:59:24,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:59:24,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:24,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-07 04:59:24,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:25,851 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-07 04:59:25,851 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 43 treesize of output 18 [2021-11-07 04:59:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:59:26,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763977952] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:26,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:26,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2021-11-07 04:59:26,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953777434] [2021-11-07 04:59:26,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-07 04:59:26,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:26,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-07 04:59:26,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1094, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 04:59:26,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:26,051 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:26,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.457142857142857) internal successors, (261), 35 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:26,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:26,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:27,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:27,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:28,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:28,001 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:28,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:28,002 INFO L85 PathProgramCache]: Analyzing trace with hash -2133505258, now seen corresponding path program 1 times [2021-11-07 04:59:28,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:28,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231060227] [2021-11-07 04:59:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:28,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:28,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:28,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231060227] [2021-11-07 04:59:28,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231060227] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:28,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940082337] [2021-11-07 04:59:28,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:28,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:28,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:28,427 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:28,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-07 04:59:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:31,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-07 04:59:31,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:33,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:59:33,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 04:59:33,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 04:59:33,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 15 [2021-11-07 04:59:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:33,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940082337] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:33,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:33,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 31 [2021-11-07 04:59:33,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610852867] [2021-11-07 04:59:33,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-07 04:59:33,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-07 04:59:33,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=821, Unknown=0, NotChecked=0, Total=930 [2021-11-07 04:59:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:33,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:33,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.0) internal successors, (248), 31 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:33,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:34,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:34,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:34,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:34,617 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:34,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1654607402, now seen corresponding path program 2 times [2021-11-07 04:59:34,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:34,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443210844] [2021-11-07 04:59:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:34,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:35,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:35,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443210844] [2021-11-07 04:59:35,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443210844] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:35,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395140031] [2021-11-07 04:59:35,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:59:35,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:35,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:35,313 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:35,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-07 04:59:38,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:59:38,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:38,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 04:59:38,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:39,962 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 13 treesize of output 9 [2021-11-07 04:59:40,532 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 [2021-11-07 04:59:40,697 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 [2021-11-07 04:59:40,884 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 [2021-11-07 04:59:41,035 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 [2021-11-07 04:59:41,789 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-11-07 04:59:41,789 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 [2021-11-07 04:59:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:42,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395140031] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:42,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:42,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 33] total 49 [2021-11-07 04:59:42,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680737749] [2021-11-07 04:59:42,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 04:59:42,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:42,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 04:59:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=2199, Unknown=0, NotChecked=0, Total=2352 [2021-11-07 04:59:42,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:42,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:42,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.3061224489795915) internal successors, (309), 49 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:42,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:42,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 04:59:42,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:46,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:46,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:46,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-07 04:59:46,219 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:46,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:46,220 INFO L85 PathProgramCache]: Analyzing trace with hash -334123186, now seen corresponding path program 2 times [2021-11-07 04:59:46,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:46,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385258401] [2021-11-07 04:59:46,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:46,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:47,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:47,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385258401] [2021-11-07 04:59:47,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385258401] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:47,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538130893] [2021-11-07 04:59:47,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 04:59:47,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:47,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:47,033 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-07 04:59:50,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 04:59:50,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:59:50,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 04:59:50,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:59:51,920 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 13 treesize of output 9 [2021-11-07 04:59:52,554 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 [2021-11-07 04:59:52,719 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 [2021-11-07 04:59:52,887 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 [2021-11-07 04:59:53,026 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 [2021-11-07 04:59:53,711 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-11-07 04:59:53,712 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 49 treesize of output 21 [2021-11-07 04:59:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:59:54,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538130893] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:54,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:59:54,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 33] total 54 [2021-11-07 04:59:54,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838972074] [2021-11-07 04:59:54,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 04:59:54,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:59:54,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 04:59:54,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=2709, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 04:59:54,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:54,023 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:59:54,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.981481481481482) internal successors, (323), 54 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:54,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:54,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:58,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:59:58,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:59:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 04:59:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:59:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:59:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 04:59:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:59:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:59:58,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-07 04:59:58,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-07 04:59:58,435 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:59:58,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:59:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1652640744, now seen corresponding path program 3 times [2021-11-07 04:59:58,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:59:58,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034293937] [2021-11-07 04:59:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:59:58,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:59:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:59:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 04:59:59,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:59:59,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034293937] [2021-11-07 04:59:59,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034293937] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:59:59,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488368872] [2021-11-07 04:59:59,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:59:59,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:59:59,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:59:59,163 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:59:59,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-07 05:00:03,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 05:00:03,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:03,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-07 05:00:03,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:04,323 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 [2021-11-07 05:00:04,949 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 [2021-11-07 05:00:05,069 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 [2021-11-07 05:00:05,171 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 [2021-11-07 05:00:05,252 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 [2021-11-07 05:00:05,643 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 05:00:05,643 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 47 treesize of output 65 [2021-11-07 05:00:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 05:00:05,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488368872] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:05,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:05,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 34] total 48 [2021-11-07 05:00:05,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555044818] [2021-11-07 05:00:05,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-07 05:00:05,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:05,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-07 05:00:05,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=2104, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 05:00:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:05,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:05,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.854166666666667) internal successors, (281), 48 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:00:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:05,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:05,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:05,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:00:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:05,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:09,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:09,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:09,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:09,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:09,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-11-07 05:00:09,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-07 05:00:09,939 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:00:09,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:09,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1216381762, now seen corresponding path program 4 times [2021-11-07 05:00:09,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:09,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138630167] [2021-11-07 05:00:09,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:09,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:00:10,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:10,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138630167] [2021-11-07 05:00:10,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138630167] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:10,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946201958] [2021-11-07 05:00:10,337 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:00:10,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:10,343 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:10,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-07 05:00:14,577 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:00:14,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:14,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-07 05:00:14,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:16,128 INFO L354 Elim1Store]: treesize reduction 47, result has 53.0 percent of original size [2021-11-07 05:00:16,129 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 72 [2021-11-07 05:00:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:16,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946201958] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:16,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:16,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 25] total 36 [2021-11-07 05:00:16,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662525148] [2021-11-07 05:00:16,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-07 05:00:16,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:16,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-07 05:00:16,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1142, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 05:00:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:16,871 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:16,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.611111111111111) internal successors, (274), 36 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:00:16,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:16,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:16,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:16,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:16,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:16,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:16,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:16,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:20,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:20,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-11-07 05:00:20,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-07 05:00:20,646 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:00:20,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash 278286798, now seen corresponding path program 2 times [2021-11-07 05:00:20,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:20,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143256242] [2021-11-07 05:00:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:20,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:21,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:21,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143256242] [2021-11-07 05:00:21,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143256242] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:21,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934317465] [2021-11-07 05:00:21,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:00:21,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:21,448 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-07 05:00:25,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:00:25,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:25,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-07 05:00:25,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:27,160 INFO L354 Elim1Store]: treesize reduction 96, result has 6.8 percent of original size [2021-11-07 05:00:27,161 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 46 treesize of output 18 [2021-11-07 05:00:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:00:27,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934317465] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:27,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:27,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19] total 40 [2021-11-07 05:00:27,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004411190] [2021-11-07 05:00:27,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-07 05:00:27,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-07 05:00:27,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1457, Unknown=0, NotChecked=0, Total=1560 [2021-11-07 05:00:27,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:27,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:27,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.875) internal successors, (275), 40 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:00:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:27,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:27,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:27,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:27,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:27,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:29,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:29,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:29,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-07 05:00:29,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:29,492 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:00:29,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1752147826, now seen corresponding path program 5 times [2021-11-07 05:00:29,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:29,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011800902] [2021-11-07 05:00:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:29,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:00:30,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:30,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011800902] [2021-11-07 05:00:30,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011800902] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:30,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089272331] [2021-11-07 05:00:30,256 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 05:00:30,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:30,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:30,259 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:30,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-07 05:00:34,676 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-07 05:00:34,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:34,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-07 05:00:34,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:36,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:00:36,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:00:36,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 05:00:36,878 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:00:36,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 22 [2021-11-07 05:00:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:37,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089272331] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:37,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:37,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 30] total 46 [2021-11-07 05:00:37,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833100046] [2021-11-07 05:00:37,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-07 05:00:37,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:37,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-07 05:00:37,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1888, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 05:00:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:37,207 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:37,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.956521739130435) internal successors, (274), 46 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:00:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:37,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:37,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:00:39,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-07 05:00:39,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:39,282 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:00:39,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:39,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1273249970, now seen corresponding path program 2 times [2021-11-07 05:00:39,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:39,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21718446] [2021-11-07 05:00:39,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:39,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:40,123 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:40,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:40,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21718446] [2021-11-07 05:00:40,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21718446] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:40,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916983180] [2021-11-07 05:00:40,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:00:40,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:40,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:40,125 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:40,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-07 05:00:44,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:00:44,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:44,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 05:00:44,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:00:45,856 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 13 treesize of output 9 [2021-11-07 05:00:46,454 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 [2021-11-07 05:00:46,652 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 [2021-11-07 05:00:46,841 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 [2021-11-07 05:00:46,995 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 [2021-11-07 05:00:47,690 INFO L354 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2021-11-07 05:00:47,690 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 53 treesize of output 22 [2021-11-07 05:00:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:47,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916983180] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:47,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:00:47,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 33] total 54 [2021-11-07 05:00:47,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860574490] [2021-11-07 05:00:47,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 05:00:47,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:00:47,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 05:00:47,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2707, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 05:00:47,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:47,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:00:47,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.981481481481482) internal successors, (323), 54 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:00:47,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:47,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:47,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:00:47,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:00:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:00:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:00:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:00:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:00:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:00:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:00:52,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-11-07 05:00:52,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-07 05:00:52,633 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:00:52,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:00:52,633 INFO L85 PathProgramCache]: Analyzing trace with hash 47234246, now seen corresponding path program 6 times [2021-11-07 05:00:52,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:00:52,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445226978] [2021-11-07 05:00:52,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:00:52,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:00:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:00:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:00:54,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:00:54,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445226978] [2021-11-07 05:00:54,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445226978] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:00:54,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75544211] [2021-11-07 05:00:54,309 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 05:00:54,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:00:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:00:54,310 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:00:54,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-07 05:00:59,084 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-07 05:00:59,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:00:59,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-07 05:00:59,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:01:00,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:01:00,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 05:01:00,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 05:01:00,598 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:01:00,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 05:01:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:01:00,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75544211] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:00,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:00,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 20] total 49 [2021-11-07 05:01:00,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817462562] [2021-11-07 05:01:00,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 05:01:00,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:00,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 05:01:00,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2184, Unknown=0, NotChecked=0, Total=2352 [2021-11-07 05:01:00,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:00,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:00,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.3061224489795915) internal successors, (309), 49 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:01:00,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:00,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:00,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:00,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:04,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:04,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:04,676 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:01:04,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:04,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2033998176, now seen corresponding path program 7 times [2021-11-07 05:01:04,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:04,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066076386] [2021-11-07 05:01:04,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:04,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:05,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:05,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066076386] [2021-11-07 05:01:05,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066076386] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:05,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109317997] [2021-11-07 05:01:05,600 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 05:01:05,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:05,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:05,602 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:05,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-07 05:01:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:10,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-07 05:01:10,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:11,548 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 05:01:11,548 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 47 treesize of output 65 [2021-11-07 05:01:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 05:01:11,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109317997] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:11,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:11,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20] total 41 [2021-11-07 05:01:11,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284998567] [2021-11-07 05:01:11,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-07 05:01:11,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:11,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-07 05:01:11,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1517, Unknown=0, NotChecked=0, Total=1640 [2021-11-07 05:01:11,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:11,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:11,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 6.853658536585366) internal successors, (281), 41 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:11,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:11,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:11,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:11,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:11,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:11,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:14,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:14,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:01:14,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:14,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:14,507 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:01:14,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1597739194, now seen corresponding path program 8 times [2021-11-07 05:01:14,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:14,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663016048] [2021-11-07 05:01:14,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:14,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:01:15,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:15,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663016048] [2021-11-07 05:01:15,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663016048] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:15,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355814075] [2021-11-07 05:01:15,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:01:15,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:15,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:15,230 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:15,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-07 05:01:20,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:01:20,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:20,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 05:01:20,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:21,822 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 13 treesize of output 9 [2021-11-07 05:01:22,446 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 [2021-11-07 05:01:22,615 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 [2021-11-07 05:01:22,767 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 [2021-11-07 05:01:22,893 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 [2021-11-07 05:01:23,478 INFO L354 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2021-11-07 05:01:23,479 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 47 treesize of output 16 [2021-11-07 05:01:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:23,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355814075] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:23,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:23,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 33] total 49 [2021-11-07 05:01:23,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144648561] [2021-11-07 05:01:23,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 05:01:23,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 05:01:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2195, Unknown=0, NotChecked=0, Total=2352 [2021-11-07 05:01:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:23,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:23,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.3061224489795915) internal successors, (309), 49 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:01:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:23,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:23,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:01:23,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:23,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-07 05:01:23,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:01:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:29,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-11-07 05:01:30,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-07 05:01:30,080 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:01:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1517910632, now seen corresponding path program 3 times [2021-11-07 05:01:30,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:30,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801081462] [2021-11-07 05:01:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:30,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:31,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:31,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801081462] [2021-11-07 05:01:31,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801081462] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:31,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617886952] [2021-11-07 05:01:31,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:01:31,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:31,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:31,619 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:31,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-11-07 05:01:36,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 05:01:36,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:36,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-07 05:01:36,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:38,169 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 05:01:38,169 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 46 treesize of output 64 [2021-11-07 05:01:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 05:01:38,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617886952] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:38,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:38,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 20] total 49 [2021-11-07 05:01:38,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986547085] [2021-11-07 05:01:38,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 05:01:38,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 05:01:38,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=2192, Unknown=0, NotChecked=0, Total=2352 [2021-11-07 05:01:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:38,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:38,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.448979591836735) internal successors, (316), 49 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:01:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:38,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:38,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:38,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:43,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-11-07 05:01:43,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-11-07 05:01:43,429 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:01:43,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash -512523992, now seen corresponding path program 9 times [2021-11-07 05:01:43,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:43,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248988346] [2021-11-07 05:01:43,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:43,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:01:43,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:43,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248988346] [2021-11-07 05:01:43,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248988346] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:43,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034608823] [2021-11-07 05:01:43,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:01:43,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:43,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:43,768 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:43,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-07 05:01:49,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 05:01:49,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:49,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-07 05:01:49,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:50,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:01:50,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:01:50,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 05:01:50,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 05:01:50,541 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:01:50,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 25 [2021-11-07 05:01:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:01:50,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034608823] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:50,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:01:50,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 31 [2021-11-07 05:01:50,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347171542] [2021-11-07 05:01:50,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-07 05:01:50,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:01:50,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-07 05:01:50,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=800, Unknown=0, NotChecked=0, Total=930 [2021-11-07 05:01:50,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:50,725 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:01:50,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.0) internal successors, (248), 31 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:01:50,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:50,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:50,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:01:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:01:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:01:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:01:51,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2021-11-07 05:01:51,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-07 05:01:51,939 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:01:51,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:01:51,939 INFO L85 PathProgramCache]: Analyzing trace with hash -33626136, now seen corresponding path program 3 times [2021-11-07 05:01:51,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:01:51,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375515018] [2021-11-07 05:01:51,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:01:51,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:01:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:01:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:01:53,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:01:53,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375515018] [2021-11-07 05:01:53,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375515018] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:01:53,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916985112] [2021-11-07 05:01:53,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:01:53,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:01:53,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:01:53,082 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:01:53,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-11-07 05:01:58,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 05:01:58,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:01:58,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 05:01:58,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:01:59,948 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 [2021-11-07 05:02:00,736 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 [2021-11-07 05:02:00,925 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 [2021-11-07 05:02:01,097 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 [2021-11-07 05:02:01,236 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 [2021-11-07 05:02:01,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:02:01,967 INFO L354 Elim1Store]: treesize reduction 16, result has 74.6 percent of original size [2021-11-07 05:02:01,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 58 [2021-11-07 05:02:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-07 05:02:02,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916985112] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:02,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:02,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 34] total 60 [2021-11-07 05:02:02,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731355507] [2021-11-07 05:02:02,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2021-11-07 05:02:02,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:02:02,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-11-07 05:02:02,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=3334, Unknown=0, NotChecked=0, Total=3540 [2021-11-07 05:02:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:02,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:02,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.266666666666667) internal successors, (316), 60 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:02:02,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:02,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:02:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:02:09,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2021-11-07 05:02:09,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-07 05:02:09,835 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:02:09,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:09,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1286858080, now seen corresponding path program 10 times [2021-11-07 05:02:09,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:02:09,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656172780] [2021-11-07 05:02:09,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:09,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:02:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:11,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:02:11,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656172780] [2021-11-07 05:02:11,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656172780] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:11,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601274363] [2021-11-07 05:02:11,733 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:02:11,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:02:11,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:02:11,734 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:02:11,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-07 05:02:17,406 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:02:17,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:02:17,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-07 05:02:17,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:18,570 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 05:02:18,570 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 49 treesize of output 67 [2021-11-07 05:02:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:02:18,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601274363] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:18,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:18,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 19] total 54 [2021-11-07 05:02:18,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042134022] [2021-11-07 05:02:18,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 05:02:18,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:02:18,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 05:02:18,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2703, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 05:02:18,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:18,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:18,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.962962962962963) internal successors, (322), 54 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:18,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:18,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:02:18,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:26,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:02:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:02:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:26,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-11-07 05:02:26,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:02:26,458 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:02:26,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:26,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1021345286, now seen corresponding path program 11 times [2021-11-07 05:02:26,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:02:26,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492593886] [2021-11-07 05:02:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:26,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:02:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:27,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:02:27,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492593886] [2021-11-07 05:02:27,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492593886] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:27,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622323719] [2021-11-07 05:02:27,953 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 05:02:27,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:02:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:02:27,954 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:02:27,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-11-07 05:02:33,718 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-07 05:02:33,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:02:33,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 05:02:33,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:33,788 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 [2021-11-07 05:02:34,443 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 05:02:34,443 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 [2021-11-07 05:02:35,092 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 [2021-11-07 05:02:35,968 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 [2021-11-07 05:02:36,179 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 [2021-11-07 05:02:36,354 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 [2021-11-07 05:02:36,516 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 16 treesize of output 12 [2021-11-07 05:02:37,318 INFO L354 Elim1Store]: treesize reduction 61, result has 39.0 percent of original size [2021-11-07 05:02:37,319 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 56 treesize of output 61 [2021-11-07 05:02:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:38,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622323719] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:38,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:38,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 38] total 64 [2021-11-07 05:02:38,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845281627] [2021-11-07 05:02:38,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2021-11-07 05:02:38,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:02:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-11-07 05:02:38,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=3814, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 05:02:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:38,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:38,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.0) internal successors, (320), 64 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:38,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:02:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:02:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:02:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:45,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2021-11-07 05:02:45,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-07 05:02:45,767 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:02:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:45,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1457604268, now seen corresponding path program 12 times [2021-11-07 05:02:45,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:02:45,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307243972] [2021-11-07 05:02:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:45,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:02:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:46,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:02:46,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307243972] [2021-11-07 05:02:46,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307243972] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:46,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925364216] [2021-11-07 05:02:46,525 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 05:02:46,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:02:46,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:02:46,526 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:02:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-11-07 05:02:52,654 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-07 05:02:52,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:02:52,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-07 05:02:52,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:02:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:02:53,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 05:02:53,950 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:02:53,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 15 [2021-11-07 05:02:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:02:54,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925364216] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:54,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:02:54,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20] total 36 [2021-11-07 05:02:54,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896347531] [2021-11-07 05:02:54,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-07 05:02:54,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:02:54,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-07 05:02:54,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1134, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 05:02:54,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:54,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:02:54,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.0) internal successors, (252), 36 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:02:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:54,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:54,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:02:55,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:02:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:02:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:02:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:02:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:02:56,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2021-11-07 05:02:56,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:02:56,175 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:02:56,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:02:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1021492674, now seen corresponding path program 4 times [2021-11-07 05:02:56,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:02:56,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831801692] [2021-11-07 05:02:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:02:56,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:02:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:02:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:02:57,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:02:57,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831801692] [2021-11-07 05:02:57,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831801692] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:02:57,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572202162] [2021-11-07 05:02:57,035 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:02:57,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:02:57,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:02:57,036 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:02:57,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-11-07 05:03:03,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:03:03,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:03:03,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-07 05:03:03,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:04,695 INFO L354 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2021-11-07 05:03:04,695 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 71 [2021-11-07 05:03:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:03:04,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572202162] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:04,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:04,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19] total 40 [2021-11-07 05:03:04,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800128816] [2021-11-07 05:03:04,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-07 05:03:04,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:03:04,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-07 05:03:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1445, Unknown=0, NotChecked=0, Total=1560 [2021-11-07 05:03:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:04,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:04,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.875) internal successors, (275), 40 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:03:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:04,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:04,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:06,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:07,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:07,047 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:03:07,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:07,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1008941950, now seen corresponding path program 13 times [2021-11-07 05:03:07,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:03:07,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431703791] [2021-11-07 05:03:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:03:07,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:03:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:03:07,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:03:07,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431703791] [2021-11-07 05:03:07,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431703791] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:07,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662884316] [2021-11-07 05:03:07,734 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 05:03:07,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:07,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:03:07,735 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:03:07,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-07 05:03:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:13,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-07 05:03:13,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:03:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:03:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:03:16,606 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:03:16,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 54 [2021-11-07 05:03:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:03:17,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662884316] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:17,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:17,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 31] total 52 [2021-11-07 05:03:17,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677898991] [2021-11-07 05:03:17,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-11-07 05:03:17,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:03:17,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-11-07 05:03:17,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=2454, Unknown=0, NotChecked=0, Total=2652 [2021-11-07 05:03:17,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:17,021 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:17,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.538461538461538) internal successors, (288), 52 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:17,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:17,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:19,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:19,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:19,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:19,657 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:03:19,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:19,657 INFO L85 PathProgramCache]: Analyzing trace with hash -530044094, now seen corresponding path program 4 times [2021-11-07 05:03:19,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:03:19,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137497865] [2021-11-07 05:03:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:03:19,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:03:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:03:20,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:03:20,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137497865] [2021-11-07 05:03:20,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137497865] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:20,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056145263] [2021-11-07 05:03:20,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:03:20,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:03:20,380 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:03:20,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-11-07 05:03:26,971 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:03:26,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:03:26,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-07 05:03:26,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:28,381 INFO L354 Elim1Store]: treesize reduction 47, result has 50.0 percent of original size [2021-11-07 05:03:28,381 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 43 treesize of output 58 [2021-11-07 05:03:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:03:28,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056145263] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:28,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:28,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 46 [2021-11-07 05:03:28,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719010574] [2021-11-07 05:03:28,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-07 05:03:28,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:03:28,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-07 05:03:28,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1933, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 05:03:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:28,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:28,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.260869565217392) internal successors, (288), 46 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:28,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:28,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:31,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:03:31,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:32,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-11-07 05:03:32,038 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:03:32,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:32,038 INFO L85 PathProgramCache]: Analyzing trace with hash 790440122, now seen corresponding path program 14 times [2021-11-07 05:03:32,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:03:32,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656097767] [2021-11-07 05:03:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:03:32,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:03:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:03:32,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:03:32,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656097767] [2021-11-07 05:03:32,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656097767] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:32,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804842384] [2021-11-07 05:03:32,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:03:32,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:03:32,827 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:03:32,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-11-07 05:03:39,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:03:39,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:03:39,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-07 05:03:39,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:40,509 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 13 treesize of output 9 [2021-11-07 05:03:41,113 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 [2021-11-07 05:03:41,289 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 [2021-11-07 05:03:41,440 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 [2021-11-07 05:03:41,566 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 [2021-11-07 05:03:42,179 INFO L354 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2021-11-07 05:03:42,180 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 43 treesize of output 18 [2021-11-07 05:03:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:03:42,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804842384] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:42,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:42,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 33] total 54 [2021-11-07 05:03:42,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179777998] [2021-11-07 05:03:42,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 05:03:42,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:03:42,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 05:03:42,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2707, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 05:03:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:42,487 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:42,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.981481481481482) internal successors, (323), 54 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:42,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:42,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:42,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:42,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:03:42,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:47,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:47,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-11-07 05:03:47,491 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:03:47,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:47,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1517763244, now seen corresponding path program 15 times [2021-11-07 05:03:47,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:03:47,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269986744] [2021-11-07 05:03:47,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:03:47,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:03:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:03:47,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:03:47,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269986744] [2021-11-07 05:03:47,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269986744] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:47,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594607481] [2021-11-07 05:03:47,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:03:47,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:47,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:03:47,863 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:03:47,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-07 05:03:55,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 05:03:55,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:03:55,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-07 05:03:55,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:03:56,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:03:56,229 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 32 treesize of output 44 [2021-11-07 05:03:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:03:57,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594607481] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:57,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:03:57,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 31 [2021-11-07 05:03:57,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961993110] [2021-11-07 05:03:57,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-07 05:03:57,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:03:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-07 05:03:57,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2021-11-07 05:03:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:57,204 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:03:57,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.0) internal successors, (248), 31 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:03:57,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:57,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:57,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:03:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:03:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:03:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:03:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:03:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:03:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:03:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:03:58,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-11-07 05:03:58,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:58,563 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:03:58,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:03:58,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1954022226, now seen corresponding path program 16 times [2021-11-07 05:03:58,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:03:58,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141167272] [2021-11-07 05:03:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:03:58,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:03:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:03:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:03:58,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:03:58,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141167272] [2021-11-07 05:03:58,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141167272] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:03:58,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522305065] [2021-11-07 05:03:58,921 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:03:58,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:03:58,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:03:58,921 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:03:58,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-07 05:04:06,008 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:04:06,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:04:06,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-07 05:04:06,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:04:07,324 INFO L354 Elim1Store]: treesize reduction 48, result has 53.4 percent of original size [2021-11-07 05:04:07,324 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 47 treesize of output 67 [2021-11-07 05:04:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:04:07,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522305065] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:04:07,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:04:07,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 25] total 36 [2021-11-07 05:04:07,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666731865] [2021-11-07 05:04:07,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-07 05:04:07,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:04:07,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-07 05:04:07,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1135, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 05:04:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:07,824 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:04:07,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.611111111111111) internal successors, (274), 36 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:04:07,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:07,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:07,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:07,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:04:07,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:07,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:07,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:07,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:07,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-07 05:04:07,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:04:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-07 05:04:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:30,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2021-11-07 05:04:31,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:04:31,068 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:04:31,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:04:31,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1463289479, now seen corresponding path program 5 times [2021-11-07 05:04:31,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:04:31,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720067328] [2021-11-07 05:04:31,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:04:31,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:04:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:04:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 05:04:31,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:04:31,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720067328] [2021-11-07 05:04:31,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720067328] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:04:31,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325673202] [2021-11-07 05:04:31,465 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 05:04:31,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:04:31,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:04:31,475 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:04:31,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-07 05:04:38,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-11-07 05:04:38,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:04:38,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 05:04:38,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:04:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 19 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 05:04:39,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325673202] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:04:39,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:04:39,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20] total 29 [2021-11-07 05:04:39,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965631804] [2021-11-07 05:04:39,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 05:04:39,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:04:39,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 05:04:39,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2021-11-07 05:04:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:39,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:04:39,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.206896551724139) internal successors, (296), 29 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:39,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:39,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:39,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:04:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:40,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:04:40,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-07 05:04:41,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-11-07 05:04:41,085 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:04:41,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:04:41,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1537789993, now seen corresponding path program 5 times [2021-11-07 05:04:41,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:04:41,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750938401] [2021-11-07 05:04:41,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:04:41,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:04:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:04:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 11 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 05:04:41,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:04:41,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750938401] [2021-11-07 05:04:41,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750938401] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:04:41,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064446538] [2021-11-07 05:04:41,517 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 05:04:41,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:04:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:04:41,523 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:04:41,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-11-07 05:04:48,934 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-11-07 05:04:48,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:04:48,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 05:04:48,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:04:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 05:04:49,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064446538] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:04:49,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:04:49,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 31 [2021-11-07 05:04:49,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956196753] [2021-11-07 05:04:49,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-07 05:04:49,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:04:49,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-07 05:04:49,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=825, Unknown=0, NotChecked=0, Total=930 [2021-11-07 05:04:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:49,929 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:04:49,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.774193548387096) internal successors, (272), 31 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:49,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:49,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 05:04:49,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:51,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:04:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:04:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:04:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:04:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:04:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:04:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:04:51,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2021-11-07 05:04:52,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-07 05:04:52,150 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:04:52,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:04:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash 940910329, now seen corresponding path program 6 times [2021-11-07 05:04:52,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:04:52,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857658587] [2021-11-07 05:04:52,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:04:52,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:04:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:04:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:04:53,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:04:53,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857658587] [2021-11-07 05:04:53,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857658587] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:04:53,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803671420] [2021-11-07 05:04:53,350 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 05:04:53,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:04:53,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:04:53,355 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:04:53,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-11-07 05:05:00,785 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-11-07 05:05:00,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:05:00,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-07 05:05:00,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:05:02,484 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 [2021-11-07 05:05:03,343 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 [2021-11-07 05:05:03,547 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 [2021-11-07 05:05:03,731 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 [2021-11-07 05:05:03,888 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 [2021-11-07 05:05:05,283 INFO L354 Elim1Store]: treesize reduction 110, result has 52.4 percent of original size [2021-11-07 05:05:05,283 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 61 treesize of output 135 [2021-11-07 05:05:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:05:06,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803671420] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:05:06,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:05:06,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 45] total 72 [2021-11-07 05:05:06,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228691448] [2021-11-07 05:05:06,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-11-07 05:05:06,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:05:06,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-11-07 05:05:06,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=4892, Unknown=0, NotChecked=0, Total=5112 [2021-11-07 05:05:06,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:06,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:05:06,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 4.902777777777778) internal successors, (353), 72 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:05:06,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:06,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:06,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:05:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:06,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:06,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:05:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:05:06,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:05:15,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:05:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:05:15,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-11-07 05:05:15,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-11-07 05:05:15,383 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:05:15,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:05:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash 288214457, now seen corresponding path program 6 times [2021-11-07 05:05:15,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:05:15,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967944173] [2021-11-07 05:05:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:05:15,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:05:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:05:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:05:16,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:05:16,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967944173] [2021-11-07 05:05:16,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967944173] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:05:16,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720818931] [2021-11-07 05:05:16,496 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 05:05:16,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:05:16,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:05:16,497 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:05:16,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-11-07 05:05:24,154 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-11-07 05:05:24,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:05:24,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-07 05:05:24,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:05:25,756 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 [2021-11-07 05:05:26,645 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 [2021-11-07 05:05:26,844 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 [2021-11-07 05:05:27,023 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 [2021-11-07 05:05:27,194 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 [2021-11-07 05:05:28,518 INFO L354 Elim1Store]: treesize reduction 142, result has 4.7 percent of original size [2021-11-07 05:05:28,518 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 58 treesize of output 21 [2021-11-07 05:05:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:05:28,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720818931] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:05:28,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:05:28,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 44] total 71 [2021-11-07 05:05:28,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138676398] [2021-11-07 05:05:28,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2021-11-07 05:05:28,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:05:28,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-11-07 05:05:28,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=4749, Unknown=0, NotChecked=0, Total=4970 [2021-11-07 05:05:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:28,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:05:28,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.971830985915493) internal successors, (353), 71 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:05:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:28,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:28,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:05:28,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:05:28,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:05:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:05:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:05:36,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-11-07 05:05:36,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:05:36,440 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:05:36,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:05:36,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1742220167, now seen corresponding path program 7 times [2021-11-07 05:05:36,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:05:36,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593621271] [2021-11-07 05:05:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:05:36,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:05:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:05:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 05:05:37,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:05:37,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593621271] [2021-11-07 05:05:37,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593621271] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:05:37,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947667648] [2021-11-07 05:05:37,510 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 05:05:37,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:05:37,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:05:37,510 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:05:37,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-11-07 05:05:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:05:45,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-07 05:05:45,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:05:48,550 INFO L354 Elim1Store]: treesize reduction 226, result has 4.2 percent of original size [2021-11-07 05:05:48,551 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 203 treesize of output 64 [2021-11-07 05:05:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:05:48,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947667648] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:05:48,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:05:48,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 32] total 52 [2021-11-07 05:05:48,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46972686] [2021-11-07 05:05:48,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2021-11-07 05:05:48,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:05:48,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-11-07 05:05:48,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=2477, Unknown=0, NotChecked=0, Total=2652 [2021-11-07 05:05:48,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:48,914 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:05:48,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.711538461538462) internal successors, (297), 52 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:48,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:48,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:05:48,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:05:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:05:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:05:52,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:05:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:05:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:05:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:05:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:05:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:05:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:05:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:05:52,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2021-11-07 05:05:52,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:05:52,779 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:05:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:05:52,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1263322311, now seen corresponding path program 3 times [2021-11-07 05:05:52,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:05:52,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391695972] [2021-11-07 05:05:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:05:52,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:05:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:05:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:05:54,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:05:54,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391695972] [2021-11-07 05:05:54,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391695972] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:05:54,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312762278] [2021-11-07 05:05:54,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:05:54,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:05:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:05:54,852 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:05:54,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-07 05:06:02,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 05:06:02,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:06:02,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-07 05:06:02,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:06:04,457 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 [2021-11-07 05:06:05,524 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 [2021-11-07 05:06:05,735 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 [2021-11-07 05:06:05,930 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 [2021-11-07 05:06:06,097 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 [2021-11-07 05:06:07,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:07,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:07,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 05:06:07,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 79 [2021-11-07 05:06:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 22 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:06:08,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312762278] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:06:08,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:06:08,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 71 [2021-11-07 05:06:08,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873924084] [2021-11-07 05:06:08,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2021-11-07 05:06:08,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:06:08,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-11-07 05:06:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=4755, Unknown=0, NotChecked=0, Total=4970 [2021-11-07 05:06:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:08,137 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:06:08,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.774647887323944) internal successors, (339), 71 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:06:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:08,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:08,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:06:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:06:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:06:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:06:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:06:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:17,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-11-07 05:06:17,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:06:17,587 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:06:17,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:06:17,587 INFO L85 PathProgramCache]: Analyzing trace with hash 57161905, now seen corresponding path program 8 times [2021-11-07 05:06:17,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:06:17,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320959509] [2021-11-07 05:06:17,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:06:17,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:06:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:06:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-07 05:06:18,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:06:18,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320959509] [2021-11-07 05:06:18,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320959509] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:06:18,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365385714] [2021-11-07 05:06:18,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 05:06:18,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:06:18,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:06:18,267 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:06:18,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2021-11-07 05:06:26,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 05:06:26,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:06:26,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-07 05:06:26,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:06:27,892 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 13 treesize of output 9 [2021-11-07 05:06:28,500 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 [2021-11-07 05:06:28,799 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 [2021-11-07 05:06:28,957 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 [2021-11-07 05:06:29,081 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 [2021-11-07 05:06:29,962 INFO L354 Elim1Store]: treesize reduction 221, result has 4.3 percent of original size [2021-11-07 05:06:29,963 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 62 treesize of output 25 [2021-11-07 05:06:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:06:30,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365385714] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:06:30,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:06:30,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 39] total 54 [2021-11-07 05:06:30,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037009607] [2021-11-07 05:06:30,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 05:06:30,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:06:30,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 05:06:30,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=2610, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 05:06:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:30,265 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:06:30,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.148148148148148) internal successors, (332), 54 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) [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:30,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:30,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:30,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:30,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:06:30,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:06:30,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:30,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:30,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:30,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:06:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:34,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2021-11-07 05:06:34,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-11-07 05:06:34,332 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:06:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:06:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2043925835, now seen corresponding path program 9 times [2021-11-07 05:06:34,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:06:34,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701064115] [2021-11-07 05:06:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:06:34,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:06:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:06:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:06:35,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:06:35,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701064115] [2021-11-07 05:06:35,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701064115] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:06:35,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979667320] [2021-11-07 05:06:35,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 05:06:35,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:06:35,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:06:35,595 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:06:35,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-11-07 05:06:44,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 05:06:44,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:06:44,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-07 05:06:44,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:06:45,676 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 [2021-11-07 05:06:46,488 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 [2021-11-07 05:06:46,679 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 [2021-11-07 05:06:46,845 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 [2021-11-07 05:06:46,983 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 [2021-11-07 05:06:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:47,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 05:06:48,036 INFO L354 Elim1Store]: treesize reduction 54, result has 67.3 percent of original size [2021-11-07 05:06:48,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 126 [2021-11-07 05:06:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-07 05:06:48,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979667320] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:06:48,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:06:48,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 38] total 65 [2021-11-07 05:06:48,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055645436] [2021-11-07 05:06:48,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-11-07 05:06:48,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:06:48,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-11-07 05:06:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=3945, Unknown=0, NotChecked=0, Total=4160 [2021-11-07 05:06:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:48,563 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:06:48,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.2153846153846155) internal successors, (339), 65 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:06:48,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:48,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:48,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:06:48,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:48,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:48,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:48,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:06:48,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:48,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:06:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:06:48,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:48,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:48,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:48,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:48,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:55,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:06:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:06:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:06:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:06:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:06:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:06:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:06:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:06:56,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2021-11-07 05:06:56,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:06:56,180 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 05:06:56,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 05:06:56,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1607666853, now seen corresponding path program 10 times [2021-11-07 05:06:56,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 05:06:56,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590441200] [2021-11-07 05:06:56,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 05:06:56,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 05:06:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 05:06:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:06:57,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 05:06:57,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590441200] [2021-11-07 05:06:57,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590441200] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:06:57,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100018290] [2021-11-07 05:06:57,439 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 05:06:57,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 05:06:57,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 05:06:57,440 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 05:06:57,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_731e196d-ba70-49ce-9271-930a94e78531/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-11-07 05:07:06,239 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 05:07:06,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 05:07:06,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-07 05:07:06,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 05:07:08,807 INFO L354 Elim1Store]: treesize reduction 149, result has 36.9 percent of original size [2021-11-07 05:07:08,808 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 79 treesize of output 118 [2021-11-07 05:07:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 05:07:09,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100018290] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 05:07:09,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 05:07:09,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 58 [2021-11-07 05:07:09,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382451311] [2021-11-07 05:07:09,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-11-07 05:07:09,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 05:07:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-11-07 05:07:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=3130, Unknown=0, NotChecked=0, Total=3306 [2021-11-07 05:07:09,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:07:09,781 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 05:07:09,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.482758620689655) internal successors, (318), 58 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:07:09,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:07:09,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-11-07 05:07:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-07 05:07:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 05:07:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-11-07 05:07:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.