./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-deagle/airline-10.i --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_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/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_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-deagle/airline-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/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_24763095-72f7-409a-9e0b-576fc076a84b/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 8e894693d2d051395e42cf40effac907db7b5be7a8f5722374b3e5b36cc0228a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 04:56:32,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 04:56:32,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 04:56:32,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 04:56:32,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 04:56:32,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 04:56:32,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 04:56:32,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 04:56:32,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 04:56:32,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 04:56:32,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 04:56:32,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 04:56:32,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 04:56:32,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 04:56:32,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 04:56:32,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 04:56:32,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 04:56:32,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 04:56:32,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 04:56:32,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 04:56:32,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 04:56:32,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 04:56:32,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 04:56:32,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 04:56:32,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 04:56:32,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 04:56:32,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 04:56:32,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 04:56:32,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 04:56:32,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 04:56:32,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 04:56:32,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 04:56:32,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 04:56:32,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 04:56:32,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 04:56:32,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 04:56:32,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 04:56:32,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 04:56:32,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 04:56:32,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 04:56:32,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 04:56:32,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-07 04:56:32,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 04:56:32,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 04:56:32,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 04:56:32,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 04:56:32,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 04:56:32,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 04:56:32,698 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 04:56:32,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 04:56:32,699 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 04:56:32,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 04:56:32,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 04:56:32,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 04:56:32,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 04:56:32,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 04:56:32,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 04:56:32,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 04:56:32,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 04:56:32,701 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 04:56:32,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 04:56:32,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 04:56:32,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 04:56:32,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-07 04:56:32,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 04:56:32,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:32,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 04:56:32,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 04:56:32,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 04:56:32,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 04:56:32,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 04:56:32,704 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 04:56:32,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 04:56:32,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 04:56:32,705 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 04:56:32,705 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 04:56:32,705 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_24763095-72f7-409a-9e0b-576fc076a84b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e894693d2d051395e42cf40effac907db7b5be7a8f5722374b3e5b36cc0228a [2021-11-07 04:56:32,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 04:56:32,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 04:56:32,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 04:56:32,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 04:56:32,984 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 04:56:32,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/pthread-deagle/airline-10.i [2021-11-07 04:56:33,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/data/a80d59ea6/40dd680fc2f24b1fbee7b6b98b5c8f9e/FLAGa1730577e [2021-11-07 04:56:33,572 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 04:56:33,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/sv-benchmarks/c/pthread-deagle/airline-10.i [2021-11-07 04:56:33,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/data/a80d59ea6/40dd680fc2f24b1fbee7b6b98b5c8f9e/FLAGa1730577e [2021-11-07 04:56:33,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/data/a80d59ea6/40dd680fc2f24b1fbee7b6b98b5c8f9e [2021-11-07 04:56:33,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 04:56:33,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 04:56:33,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:33,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 04:56:33,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 04:56:33,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:33" (1/1) ... [2021-11-07 04:56:33,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74438c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:33, skipping insertion in model container [2021-11-07 04:56:33,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:33" (1/1) ... [2021-11-07 04:56:33,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 04:56:33,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 04:56:34,352 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_24763095-72f7-409a-9e0b-576fc076a84b/sv-benchmarks/c/pthread-deagle/airline-10.i[32101,32114] [2021-11-07 04:56:34,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:34,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 04:56:34,403 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_24763095-72f7-409a-9e0b-576fc076a84b/sv-benchmarks/c/pthread-deagle/airline-10.i[32101,32114] [2021-11-07 04:56:34,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:34,440 INFO L208 MainTranslator]: Completed translation [2021-11-07 04:56:34,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34 WrapperNode [2021-11-07 04:56:34,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:34,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:34,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 04:56:34,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 04:56:34,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:34,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 04:56:34,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 04:56:34,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 04:56:34,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 04:56:34,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 04:56:34,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 04:56:34,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 04:56:34,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ... [2021-11-07 04:56:34,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:34,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:34,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:34,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 04:56:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 04:56:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 04:56:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 04:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 04:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure salethread [2021-11-07 04:56:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure salethread [2021-11-07 04:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 04:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 04:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 04:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 04:56:34,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 04:56:34,622 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 04:56:34,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 04:56:34,942 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 04:56:34,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:34 BoogieIcfgContainer [2021-11-07 04:56:34,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 04:56:34,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 04:56:34,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 04:56:34,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 04:56:34,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:33" (1/3) ... [2021-11-07 04:56:34,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:34, skipping insertion in model container [2021-11-07 04:56:34,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (2/3) ... [2021-11-07 04:56:34,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:34, skipping insertion in model container [2021-11-07 04:56:34,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:34" (3/3) ... [2021-11-07 04:56:34,953 INFO L111 eAbstractionObserver]: Analyzing ICFG airline-10.i [2021-11-07 04:56:34,959 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 04:56:34,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 04:56:34,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 04:56:34,959 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 04:56:34,983 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:34,983 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:34,984 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:34,984 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:34,984 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:34,984 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:34,999 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,001 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,001 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,001 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,002 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,004 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,004 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,005 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,005 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,005 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,005 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,005 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,006 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,009 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,014 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,014 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,015 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,015 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:35,022 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-07 04:56:35,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:35,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:35,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:35,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 04:56:35,120 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:35,126 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 04:56:35,127 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:35,167 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:35,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1583320158, now seen corresponding path program 1 times [2021-11-07 04:56:35,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:35,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474138753] [2021-11-07 04:56:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:35,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:35,369 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 04:56:35,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:35,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474138753] [2021-11-07 04:56:35,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474138753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:35,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:35,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:35,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794537246] [2021-11-07 04:56:35,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:35,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:35,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:35,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:35,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:56:35,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 04:56:35,407 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:35,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1554661216, now seen corresponding path program 1 times [2021-11-07 04:56:35,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:35,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252980652] [2021-11-07 04:56:35,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:35,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:35,490 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 04:56:35,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:35,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252980652] [2021-11-07 04:56:35,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252980652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:35,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:35,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:35,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134978158] [2021-11-07 04:56:35,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:35,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:35,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:35,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:35,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:56:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:35,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 04:56:35,591 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:35,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:35,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1612690219, now seen corresponding path program 1 times [2021-11-07 04:56:35,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:35,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104584739] [2021-11-07 04:56:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:35,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:35,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:35,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104584739] [2021-11-07 04:56:35,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104584739] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:35,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60847862] [2021-11-07 04:56:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:35,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:35,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:35,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:35,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 04:56:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:35,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:56:35,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:36,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60847862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:36,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:56:36,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:56:36,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426529595] [2021-11-07 04:56:36,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:36,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:36,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:36,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,034 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:36,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:56:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:36,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:36,310 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:36,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:36,311 INFO L85 PathProgramCache]: Analyzing trace with hash -600869613, now seen corresponding path program 1 times [2021-11-07 04:56:36,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:36,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206619835] [2021-11-07 04:56:36,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:36,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:36,450 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 04:56:36,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:36,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206619835] [2021-11-07 04:56:36,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206619835] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:36,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821333305] [2021-11-07 04:56:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:36,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:36,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:36,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:36,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 04:56:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:36,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:56:36,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:36,699 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 04:56:36,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821333305] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:36,699 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:36,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:56:36,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647945831] [2021-11-07 04:56:36,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:36,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:36,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:36,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:36,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:36,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:36,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:36,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:36,966 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:36,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:36,967 INFO L85 PathProgramCache]: Analyzing trace with hash 918341707, now seen corresponding path program 1 times [2021-11-07 04:56:36,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:36,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758068686] [2021-11-07 04:56:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:36,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:36,990 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:56:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:37,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:56:37,066 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:56:37,067 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:37,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:37,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 04:56:37,077 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 04:56:37,079 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:56:37,079 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-07 04:56:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,089 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,089 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,089 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,089 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,089 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,092 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,092 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,092 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,092 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,092 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,093 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,093 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,093 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,093 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,093 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,094 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,102 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,102 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,102 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,103 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,103 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,103 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,103 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,108 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,108 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,109 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,109 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,109 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:37,115 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-07 04:56:37,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:37,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:37,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2021-11-07 04:56:37,126 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:37,127 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 04:56:37,127 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:37,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:37,134 INFO L85 PathProgramCache]: Analyzing trace with hash -519157041, now seen corresponding path program 1 times [2021-11-07 04:56:37,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:37,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722740973] [2021-11-07 04:56:37,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:37,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:37,177 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 04:56:37,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:37,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722740973] [2021-11-07 04:56:37,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722740973] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:37,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:37,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:37,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918156818] [2021-11-07 04:56:37,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:37,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:37,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:37,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,181 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:37,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:56:37,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 04:56:37,185 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:37,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:37,185 INFO L85 PathProgramCache]: Analyzing trace with hash -490498099, now seen corresponding path program 1 times [2021-11-07 04:56:37,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:37,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709980156] [2021-11-07 04:56:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:37,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:37,213 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 04:56:37,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:37,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709980156] [2021-11-07 04:56:37,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709980156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:37,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:37,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:37,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128219742] [2021-11-07 04:56:37,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:37,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:37,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:37,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,216 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:37,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:56:37,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:37,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 04:56:37,308 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:37,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:37,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2000788072, now seen corresponding path program 1 times [2021-11-07 04:56:37,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:37,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528650541] [2021-11-07 04:56:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:37,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:37,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:37,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528650541] [2021-11-07 04:56:37,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528650541] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:37,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506984623] [2021-11-07 04:56:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:37,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:37,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:37,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:37,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 04:56:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:37,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:56:37,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:37,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506984623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:37,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:56:37,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:56:37,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033524513] [2021-11-07 04:56:37,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:37,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:37,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:37,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,603 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:37,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:56:37,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:37,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:37,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:37,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:37,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:37,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-07 04:56:37,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:37,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:37,865 INFO L85 PathProgramCache]: Analyzing trace with hash -732267263, now seen corresponding path program 1 times [2021-11-07 04:56:37,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:37,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259958493] [2021-11-07 04:56:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:37,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:37,934 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 04:56:37,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:37,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259958493] [2021-11-07 04:56:37,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259958493] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:37,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640121670] [2021-11-07 04:56:37,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:37,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:37,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:37,937 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:37,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 04:56:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:38,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:56:38,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:38,206 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 04:56:38,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640121670] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:38,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:38,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:56:38,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953653941] [2021-11-07 04:56:38,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:38,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:38,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:38,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:38,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:38,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:38,570 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:38,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:38,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1595280441, now seen corresponding path program 1 times [2021-11-07 04:56:38,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:38,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363436183] [2021-11-07 04:56:38,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:38,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:38,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:38,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363436183] [2021-11-07 04:56:38,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363436183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:38,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:38,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:38,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441857957] [2021-11-07 04:56:38,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:38,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:38,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:38,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:38,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:38,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:38,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:38,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:38,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:38,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 04:56:38,668 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1446390759, now seen corresponding path program 1 times [2021-11-07 04:56:38,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:38,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947363894] [2021-11-07 04:56:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:38,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:38,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:38,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947363894] [2021-11-07 04:56:38,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947363894] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:38,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417025307] [2021-11-07 04:56:38,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:38,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:38,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:38,730 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:38,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 04:56:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:38,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:38,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:39,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417025307] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:39,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:39,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:56:39,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362558363] [2021-11-07 04:56:39,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:39,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:39,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:39,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,089 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:39,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:56:39,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:39,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:39,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:56:39,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:39,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:39,378 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1209795189, now seen corresponding path program 1 times [2021-11-07 04:56:39,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:39,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411431860] [2021-11-07 04:56:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:39,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:39,394 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:56:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:39,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:56:39,423 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:56:39,424 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:39,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:39,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 04:56:39,427 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:56:39,427 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:56:39,427 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-11-07 04:56:39,442 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,442 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,442 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,442 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,443 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,443 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,443 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,443 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,443 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,443 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,444 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,444 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,444 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,444 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,444 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,444 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,445 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,445 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,445 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,445 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,445 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,446 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,446 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,446 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,446 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,446 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,446 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,447 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,447 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,447 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,447 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,447 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,447 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,448 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,448 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,448 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,448 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,449 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,449 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,449 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,449 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,449 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,450 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,450 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,450 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,450 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,451 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,451 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,451 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,451 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,452 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,452 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,452 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,452 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,452 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,452 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,453 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,453 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,454 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,454 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,454 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,455 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,455 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,455 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,455 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,457 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,457 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,457 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,457 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,458 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,459 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,459 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,460 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,460 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,460 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:39,465 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 04:56:39,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:39,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:39,474 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:39,482 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:39,483 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 04:56:39,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:39,488 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:39,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:39,491 INFO L85 PathProgramCache]: Analyzing trace with hash -2133868920, now seen corresponding path program 1 times [2021-11-07 04:56:39,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:39,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228561411] [2021-11-07 04:56:39,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:39,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:39,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2021-11-07 04:56:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:39,526 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 04:56:39,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:39,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228561411] [2021-11-07 04:56:39,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228561411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:39,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:39,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:39,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168545634] [2021-11-07 04:56:39,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:39,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:39,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:39,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,529 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:39,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:56:39,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 04:56:39,531 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:39,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:39,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2105209978, now seen corresponding path program 1 times [2021-11-07 04:56:39,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:39,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633700108] [2021-11-07 04:56:39,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:39,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:39,560 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 04:56:39,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:39,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633700108] [2021-11-07 04:56:39,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633700108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:39,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:39,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:39,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928633982] [2021-11-07 04:56:39,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:39,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:39,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,563 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:39,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:56:39,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 04:56:39,640 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:39,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1700209511, now seen corresponding path program 1 times [2021-11-07 04:56:39,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:39,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370774267] [2021-11-07 04:56:39,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:39,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:39,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:39,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370774267] [2021-11-07 04:56:39,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370774267] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:39,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236878479] [2021-11-07 04:56:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:39,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:39,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:39,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:39,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 04:56:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:39,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:56:39,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:39,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236878479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:39,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:56:39,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:56:39,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29083296] [2021-11-07 04:56:39,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:39,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:39,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,935 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:39,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:56:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:39,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:39,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:40,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-07 04:56:40,160 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:40,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2099761817, now seen corresponding path program 1 times [2021-11-07 04:56:40,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:40,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599016197] [2021-11-07 04:56:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:40,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:40,202 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 04:56:40,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:40,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599016197] [2021-11-07 04:56:40,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599016197] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:40,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679844243] [2021-11-07 04:56:40,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:40,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:40,214 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:40,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 04:56:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:40,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:56:40,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:40,522 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 04:56:40,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679844243] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:40,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:40,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:56:40,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994733015] [2021-11-07 04:56:40,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:40,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:40,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:40,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:40,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:40,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:40,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:40,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:40,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-07 04:56:40,842 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:40,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1915820644, now seen corresponding path program 1 times [2021-11-07 04:56:40,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:40,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145766455] [2021-11-07 04:56:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:40,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:40,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:40,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145766455] [2021-11-07 04:56:40,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145766455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:40,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:40,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:40,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391230842] [2021-11-07 04:56:40,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:40,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:40,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:40,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:40,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:40,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:40,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:40,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 04:56:40,907 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1125850556, now seen corresponding path program 1 times [2021-11-07 04:56:40,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:40,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2580099] [2021-11-07 04:56:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:40,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:40,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:40,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2580099] [2021-11-07 04:56:40,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2580099] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:40,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892983514] [2021-11-07 04:56:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:40,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:40,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:40,961 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:40,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 04:56:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:41,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:41,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:41,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892983514] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:41,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:41,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:56:41,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678177274] [2021-11-07 04:56:41,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:41,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:41,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,385 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:41,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:56:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:41,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:41,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:41,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:41,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-07 04:56:41,750 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:41,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1008929672, now seen corresponding path program 1 times [2021-11-07 04:56:41,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:41,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663401330] [2021-11-07 04:56:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:41,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:41,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:41,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663401330] [2021-11-07 04:56:41,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663401330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:41,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:41,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:41,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119368510] [2021-11-07 04:56:41,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:41,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:41,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:41,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:41,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:41,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 04:56:41,807 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:41,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:41,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1895084918, now seen corresponding path program 1 times [2021-11-07 04:56:41,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:41,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954430375] [2021-11-07 04:56:41,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:41,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:41,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:41,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954430375] [2021-11-07 04:56:41,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954430375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:41,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:41,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:41,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794673859] [2021-11-07 04:56:41,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:41,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:41,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:41,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,873 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:41,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:56:41,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:41,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:41,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 04:56:41,947 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:41,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:41,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2001563496, now seen corresponding path program 1 times [2021-11-07 04:56:41,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:41,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208205918] [2021-11-07 04:56:41,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:41,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:42,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:42,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208205918] [2021-11-07 04:56:42,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208205918] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:42,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968285661] [2021-11-07 04:56:42,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:42,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:42,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:42,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:42,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 04:56:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:42,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:56:42,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:42,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968285661] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:42,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:42,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:56:42,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763808449] [2021-11-07 04:56:42,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:56:42,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:42,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:56:42,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:56:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:42,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:42,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:56:42,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:42,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:42,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:42,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:42,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:42,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:42,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:42,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:42,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:42,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:42,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-07 04:56:42,874 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:42,875 INFO L85 PathProgramCache]: Analyzing trace with hash -900593740, now seen corresponding path program 1 times [2021-11-07 04:56:42,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:42,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900704749] [2021-11-07 04:56:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:42,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:42,897 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:56:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:42,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:56:42,935 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:56:42,935 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:42,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:42,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 04:56:42,938 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:56:42,939 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:56:42,939 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,952 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,953 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,954 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,955 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,956 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,957 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,957 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,957 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,957 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,957 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,958 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,959 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,959 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,959 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,959 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,960 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,961 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,961 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,961 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,961 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,961 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,961 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,962 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,962 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,962 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,962 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,962 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,963 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,964 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,965 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,965 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,965 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,965 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,965 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,965 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,967 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,967 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,967 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,967 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,967 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,968 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,969 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,969 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,969 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,969 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,970 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,970 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,971 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,971 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,971 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:42,976 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-07 04:56:42,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:42,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:42,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:42,991 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:42,991 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 04:56:42,991 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:42,996 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:42,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:42,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2132488499, now seen corresponding path program 1 times [2021-11-07 04:56:42,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:42,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954954620] [2021-11-07 04:56:42,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:42,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:43,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2021-11-07 04:56:43,012 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 04:56:43,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:43,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954954620] [2021-11-07 04:56:43,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954954620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:43,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:43,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:43,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460731655] [2021-11-07 04:56:43,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:43,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:43,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:43,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:43,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:56:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 04:56:43,017 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:43,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2103829557, now seen corresponding path program 1 times [2021-11-07 04:56:43,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:43,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101317426] [2021-11-07 04:56:43,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:43,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:43,037 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 04:56:43,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:43,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101317426] [2021-11-07 04:56:43,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101317426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:43,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:43,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:43,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073590684] [2021-11-07 04:56:43,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:43,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:43,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:43,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,039 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:43,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:56:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:43,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 04:56:43,109 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:43,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:43,110 INFO L85 PathProgramCache]: Analyzing trace with hash 900367938, now seen corresponding path program 1 times [2021-11-07 04:56:43,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:43,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424567844] [2021-11-07 04:56:43,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:43,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:43,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:43,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424567844] [2021-11-07 04:56:43,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424567844] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:43,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055771015] [2021-11-07 04:56:43,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:43,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:43,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:43,146 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:43,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 04:56:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:43,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:56:43,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:43,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055771015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:43,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:56:43,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:56:43,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704657111] [2021-11-07 04:56:43,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:43,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:43,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:43,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:43,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,440 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:43,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:56:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:43,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:43,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:43,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:43,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:43,682 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:43,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:43,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1303542647, now seen corresponding path program 1 times [2021-11-07 04:56:43,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:43,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726296323] [2021-11-07 04:56:43,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:43,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:43,718 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 04:56:43,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:43,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726296323] [2021-11-07 04:56:43,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726296323] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:43,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456527512] [2021-11-07 04:56:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:43,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:43,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:43,726 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:43,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 04:56:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:56:44,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:44,139 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 04:56:44,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456527512] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:44,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:44,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:56:44,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305908050] [2021-11-07 04:56:44,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:44,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:44,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:44,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:44,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:44,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:44,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-07 04:56:44,462 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:44,462 INFO L85 PathProgramCache]: Analyzing trace with hash 397372357, now seen corresponding path program 1 times [2021-11-07 04:56:44,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140297462] [2021-11-07 04:56:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:44,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:44,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140297462] [2021-11-07 04:56:44,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140297462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:44,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:44,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:44,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063535944] [2021-11-07 04:56:44,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:44,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:44,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:44,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,502 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:44,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:44,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:44,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 04:56:44,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:44,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:44,528 INFO L85 PathProgramCache]: Analyzing trace with hash -855923739, now seen corresponding path program 1 times [2021-11-07 04:56:44,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:44,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911148305] [2021-11-07 04:56:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:44,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:44,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911148305] [2021-11-07 04:56:44,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911148305] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:44,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708147251] [2021-11-07 04:56:44,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:44,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:44,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:44,571 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:44,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 04:56:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:44,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:44,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:45,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708147251] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:45,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:45,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:56:45,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662410690] [2021-11-07 04:56:45,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:45,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:45,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:56:45,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-11-07 04:56:45,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-07 04:56:45,422 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:45,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1601505338, now seen corresponding path program 1 times [2021-11-07 04:56:45,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774024380] [2021-11-07 04:56:45,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:45,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774024380] [2021-11-07 04:56:45,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774024380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:45,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:45,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:45,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347007915] [2021-11-07 04:56:45,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:45,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:45,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:45,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,469 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 04:56:45,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 04:56:45,506 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:45,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,507 INFO L85 PathProgramCache]: Analyzing trace with hash 542643206, now seen corresponding path program 1 times [2021-11-07 04:56:45,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806630936] [2021-11-07 04:56:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:45,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806630936] [2021-11-07 04:56:45,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806630936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:45,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:45,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:45,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218846489] [2021-11-07 04:56:45,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:45,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:45,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,545 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 04:56:45,564 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:45,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1478577309, now seen corresponding path program 1 times [2021-11-07 04:56:45,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697407427] [2021-11-07 04:56:45,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:45,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697407427] [2021-11-07 04:56:45,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697407427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:45,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:45,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:45,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483161183] [2021-11-07 04:56:45,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:45,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:45,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:45,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:45,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:56:45,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:45,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 04:56:45,672 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:45,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1535277030, now seen corresponding path program 1 times [2021-11-07 04:56:45,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:45,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314360057] [2021-11-07 04:56:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:45,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:45,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314360057] [2021-11-07 04:56:45,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314360057] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:45,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42696746] [2021-11-07 04:56:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:45,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:45,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:45,742 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 04:56:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:46,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:56:46,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:46,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42696746] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:46,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:46,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:56:46,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919695194] [2021-11-07 04:56:46,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:56:46,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:46,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:56:46,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:56:46,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:46,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:56:46,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:46,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:46,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:46,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:46,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:46,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:46,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:46,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:46,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:46,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:46,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-11-07 04:56:46,682 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:46,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:46,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2109135959, now seen corresponding path program 1 times [2021-11-07 04:56:46,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:46,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952453361] [2021-11-07 04:56:46,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:46,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:46,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:46,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952453361] [2021-11-07 04:56:46,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952453361] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:46,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117181931] [2021-11-07 04:56:46,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:46,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:46,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:46,805 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:46,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-07 04:56:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:56:47,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:47,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117181931] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:47,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:47,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:56:47,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456407660] [2021-11-07 04:56:47,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:56:47,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:47,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:56:47,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:56:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:47,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:47,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:47,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:47,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:56:47,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:47,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-11-07 04:56:47,798 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:47,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:47,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1285698616, now seen corresponding path program 1 times [2021-11-07 04:56:47,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:47,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646432674] [2021-11-07 04:56:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:47,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:47,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:56:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:47,845 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:56:47,846 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:56:47,846 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:47,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:47,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 04:56:47,849 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:56:47,849 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:56:47,849 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-11-07 04:56:47,859 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,859 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,859 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,860 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,860 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,860 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,860 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,860 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,861 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,861 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,861 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,861 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,861 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,861 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,862 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,862 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,862 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,862 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,862 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,862 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,863 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,864 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,864 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,864 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,864 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,864 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,865 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,865 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,865 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,865 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,865 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,865 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,866 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,866 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,866 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,866 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,866 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,866 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,867 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,868 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,868 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,868 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,868 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,868 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,868 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,869 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,874 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,874 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,874 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,874 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,875 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,875 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,875 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,875 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,875 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,875 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,876 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,876 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,876 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,876 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,876 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,876 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,877 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,877 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,877 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,877 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,877 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,877 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,878 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,878 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,878 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,878 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,879 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,880 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,880 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,880 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,880 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,880 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,880 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,881 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,881 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,881 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,881 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,882 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,882 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,882 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,882 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,883 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,884 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,884 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,884 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,884 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,885 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,885 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,886 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,886 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,886 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,887 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,887 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,888 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,888 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,888 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,890 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,890 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,890 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,890 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,891 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:47,898 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-11-07 04:56:47,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:47,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:47,901 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:47,912 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:47,912 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 04:56:47,912 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:47,919 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:47,921 INFO L85 PathProgramCache]: Analyzing trace with hash -515015778, now seen corresponding path program 1 times [2021-11-07 04:56:47,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:47,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927908695] [2021-11-07 04:56:47,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:47,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2021-11-07 04:56:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,937 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 04:56:47,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:47,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927908695] [2021-11-07 04:56:47,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927908695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:47,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:47,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:47,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305202887] [2021-11-07 04:56:47,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:47,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:47,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:47,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,940 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:47,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:56:47,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 04:56:47,942 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:47,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:47,942 INFO L85 PathProgramCache]: Analyzing trace with hash -486356836, now seen corresponding path program 1 times [2021-11-07 04:56:47,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:47,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100584712] [2021-11-07 04:56:47,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:47,982 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 04:56:47,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:47,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100584712] [2021-11-07 04:56:47,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100584712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:47,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:47,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:47,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982778635] [2021-11-07 04:56:47,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:47,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:47,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:47,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,985 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:47,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:56:47,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:47,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:48,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:48,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 04:56:48,045 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash -105345495, now seen corresponding path program 1 times [2021-11-07 04:56:48,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:48,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263228166] [2021-11-07 04:56:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:48,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:48,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:48,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263228166] [2021-11-07 04:56:48,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263228166] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:48,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172581662] [2021-11-07 04:56:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:48,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:48,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:48,086 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:48,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-07 04:56:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:48,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:56:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:48,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172581662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:48,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:56:48,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:56:48,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289448102] [2021-11-07 04:56:48,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:48,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:48,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:48,537 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:48,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:56:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:48,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:48,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:48,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:48,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-07 04:56:48,775 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:48,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:48,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1857432557, now seen corresponding path program 1 times [2021-11-07 04:56:48,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:48,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180351164] [2021-11-07 04:56:48,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:48,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:48,823 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 04:56:48,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:48,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180351164] [2021-11-07 04:56:48,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180351164] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:48,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990412200] [2021-11-07 04:56:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:48,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:48,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:48,825 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:48,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 04:56:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:49,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:56:49,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:49,292 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 04:56:49,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990412200] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:49,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:49,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:56:49,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821252867] [2021-11-07 04:56:49,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:49,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:49,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:49,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:49,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:49,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:49,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:49,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-07 04:56:49,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:49,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1308711846, now seen corresponding path program 1 times [2021-11-07 04:56:49,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:49,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214022222] [2021-11-07 04:56:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:49,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:49,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:49,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214022222] [2021-11-07 04:56:49,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214022222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:49,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:49,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:49,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531491869] [2021-11-07 04:56:49,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:49,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:49,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:49,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:49,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:49,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:49,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:49,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-07 04:56:49,672 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:49,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:49,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1732959354, now seen corresponding path program 1 times [2021-11-07 04:56:49,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:49,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674232362] [2021-11-07 04:56:49,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:49,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:49,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:49,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674232362] [2021-11-07 04:56:49,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674232362] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:49,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084937100] [2021-11-07 04:56:49,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:49,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:49,715 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:49,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-07 04:56:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:50,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:50,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:50,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084937100] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:50,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:50,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:56:50,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841972665] [2021-11-07 04:56:50,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:50,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:50,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:50,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:50,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:56:50,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:50,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:50,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:50,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:50,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:50,546 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:50,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1617641860, now seen corresponding path program 1 times [2021-11-07 04:56:50,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:50,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319160552] [2021-11-07 04:56:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:50,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:50,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:50,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319160552] [2021-11-07 04:56:50,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319160552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:50,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:50,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:50,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448698930] [2021-11-07 04:56:50,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:50,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:50,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:50,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:50,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:50,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:56:50,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:50,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-07 04:56:50,597 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:50,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1139498032, now seen corresponding path program 1 times [2021-11-07 04:56:50,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:50,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824030822] [2021-11-07 04:56:50,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:50,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:50,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:50,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824030822] [2021-11-07 04:56:50,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824030822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:50,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:50,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:50,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908145696] [2021-11-07 04:56:50,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:50,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:50,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:50,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:50,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,654 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:50,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:56:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:50,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-07 04:56:50,719 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:50,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:50,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1684691612, now seen corresponding path program 1 times [2021-11-07 04:56:50,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:50,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590569640] [2021-11-07 04:56:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:50,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:50,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:50,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590569640] [2021-11-07 04:56:50,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590569640] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:50,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648107715] [2021-11-07 04:56:50,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:50,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:50,783 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:50,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-07 04:56:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:51,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:56:51,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:51,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648107715] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:51,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:51,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:56:51,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801369502] [2021-11-07 04:56:51,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:56:51,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:51,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:56:51,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:56:51,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:51,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:51,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:56:51,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:51,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:51,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:51,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:51,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:51,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:51,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:51,778 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:51,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1129042367, now seen corresponding path program 1 times [2021-11-07 04:56:51,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:51,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652442879] [2021-11-07 04:56:51,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:51,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:51,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:51,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652442879] [2021-11-07 04:56:51,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652442879] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:51,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910507000] [2021-11-07 04:56:51,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:51,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:51,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:51,882 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:51,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-07 04:56:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:52,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:56:52,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:52,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910507000] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:52,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:52,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:56:52,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339134119] [2021-11-07 04:56:52,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:56:52,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:52,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:56:52,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:56:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:52,501 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:52,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:52,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:52,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:56:52,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:52,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-11-07 04:56:52,859 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:52,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:52,859 INFO L85 PathProgramCache]: Analyzing trace with hash 301367771, now seen corresponding path program 1 times [2021-11-07 04:56:52,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:52,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760432489] [2021-11-07 04:56:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:52,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:52,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:52,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760432489] [2021-11-07 04:56:52,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760432489] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:52,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679972491] [2021-11-07 04:56:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:52,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:52,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:52,979 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-07 04:56:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:53,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:56:53,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:53,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679972491] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:53,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:53,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-11-07 04:56:53,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625338432] [2021-11-07 04:56:53,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 04:56:53,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:53,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 04:56:53,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 04:56:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:53,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:53,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:53,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:53,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:53,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:56:53,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:53,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:53,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:56:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:56:53,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:54,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-11-07 04:56:54,134 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:54,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:54,134 INFO L85 PathProgramCache]: Analyzing trace with hash -267644303, now seen corresponding path program 1 times [2021-11-07 04:56:54,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:54,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494063733] [2021-11-07 04:56:54,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:54,148 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:56:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:56:54,171 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:56:54,172 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:56:54,172 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:56:54,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:56:54,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-07 04:56:54,174 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:56:54,174 WARN L234 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:56:54,174 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-11-07 04:56:54,188 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,189 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,190 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,190 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,190 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,190 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,190 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,190 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,191 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,191 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,191 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,191 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,191 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,191 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,192 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,192 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,192 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,192 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,192 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,192 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,193 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,194 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,194 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,194 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,194 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,194 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,194 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,195 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,195 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,195 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,195 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,196 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,196 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,196 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,196 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,196 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,196 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,197 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,198 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,198 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,198 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,198 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,198 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,199 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,200 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,200 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,200 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,200 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,200 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,200 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,201 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,201 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,201 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,201 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,201 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,201 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,202 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,203 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,203 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,203 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,203 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,203 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,203 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,204 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,204 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,204 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,204 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,204 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,204 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,205 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,206 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,206 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,206 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,206 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,206 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,206 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,207 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,207 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,207 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,207 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,207 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,207 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,208 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,208 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,208 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,208 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,208 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,209 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,209 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,210 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,210 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,211 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,211 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,211 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,212 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,212 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,212 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,213 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,213 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,214 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,214 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,214 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,214 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,215 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,216 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,216 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,217 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,217 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,217 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,218 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,218 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,219 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,219 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,219 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,226 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-11-07 04:56:54,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:54,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:54,228 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:54,232 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:54,232 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 04:56:54,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:56:54,236 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:54,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1576418053, now seen corresponding path program 1 times [2021-11-07 04:56:54,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:54,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143426534] [2021-11-07 04:56:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2021-11-07 04:56:54,252 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 04:56:54,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143426534] [2021-11-07 04:56:54,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143426534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:54,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:54,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000166566] [2021-11-07 04:56:54,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:54,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:54,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:54,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:56:54,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-07 04:56:54,256 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:54,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:54,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1547759111, now seen corresponding path program 1 times [2021-11-07 04:56:54,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:54,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317258157] [2021-11-07 04:56:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,294 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 04:56:54,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317258157] [2021-11-07 04:56:54,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317258157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:54,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:54,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003075664] [2021-11-07 04:56:54,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:54,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:54,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:56:54,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:54,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-07 04:56:54,356 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:54,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1316930788, now seen corresponding path program 1 times [2021-11-07 04:56:54,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:54,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309483508] [2021-11-07 04:56:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:54,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309483508] [2021-11-07 04:56:54,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309483508] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:54,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068071898] [2021-11-07 04:56:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:54,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:54,398 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:54,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-07 04:56:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:56:54,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:54,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068071898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:56:54,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:56:54,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272399213] [2021-11-07 04:56:54,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:54,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:54,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:56:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:54,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:54,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:55,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:55,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-07 04:56:55,210 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:55,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:55,211 INFO L85 PathProgramCache]: Analyzing trace with hash -409714167, now seen corresponding path program 1 times [2021-11-07 04:56:55,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:55,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573485889] [2021-11-07 04:56:55,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:55,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:55,247 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 04:56:55,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:55,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573485889] [2021-11-07 04:56:55,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573485889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:55,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594136417] [2021-11-07 04:56:55,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:55,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:55,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:55,249 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:55,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-07 04:56:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:55,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:56:55,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:55,866 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 04:56:55,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594136417] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:55,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:55,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:56:55,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68367862] [2021-11-07 04:56:55,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:55,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:55,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:55,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:55,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:55,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:55,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:55,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:55,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:56,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:56,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:56,194 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:56,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:56,195 INFO L85 PathProgramCache]: Analyzing trace with hash -251556093, now seen corresponding path program 1 times [2021-11-07 04:56:56,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:56,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817011042] [2021-11-07 04:56:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:56,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:56,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:56,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817011042] [2021-11-07 04:56:56,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817011042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:56,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:56,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:56,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235258220] [2021-11-07 04:56:56,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:56,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:56,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:56,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,239 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:56,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:56,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:56,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-07 04:56:56,263 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:56,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:56,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1504852189, now seen corresponding path program 1 times [2021-11-07 04:56:56,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:56,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063273547] [2021-11-07 04:56:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:56,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:56:56,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:56,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063273547] [2021-11-07 04:56:56,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063273547] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:56,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502967865] [2021-11-07 04:56:56,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:56,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:56,306 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:56,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-07 04:56:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:56,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:56,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:57,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502967865] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:57,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:57,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:56:57,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977491027] [2021-11-07 04:56:57,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:57,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:57,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:57,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:57,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:56:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:57,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:57,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:57,446 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:57,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:57,447 INFO L85 PathProgramCache]: Analyzing trace with hash 218452640, now seen corresponding path program 1 times [2021-11-07 04:56:57,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:57,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502107573] [2021-11-07 04:56:57,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:57,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:57,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:57,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502107573] [2021-11-07 04:56:57,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502107573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:57,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:57,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:56:57,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55220548] [2021-11-07 04:56:57,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:56:57,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:57,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:56:57,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:56:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,476 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:57,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:56:57,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:57,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:57,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:57,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-07 04:56:57,493 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:57,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1292002609, now seen corresponding path program 1 times [2021-11-07 04:56:57,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:57,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066668516] [2021-11-07 04:56:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:57,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:56:57,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:57,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066668516] [2021-11-07 04:56:57,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066668516] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:57,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:57,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:57,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745466196] [2021-11-07 04:56:57,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:57,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:57,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:57,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,563 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:57,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:56:57,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:57,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:57,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-07 04:56:57,613 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1211086464, now seen corresponding path program 1 times [2021-11-07 04:56:57,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:57,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612026642] [2021-11-07 04:56:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:57,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:57,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:57,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612026642] [2021-11-07 04:56:57,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612026642] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:57,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515579922] [2021-11-07 04:56:57,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:57,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:57,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:57,678 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:57,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-07 04:56:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:58,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:56:58,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:58,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515579922] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:58,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:58,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:56:58,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068508794] [2021-11-07 04:56:58,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:56:58,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:58,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:56:58,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:56:58,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:58,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:58,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:58,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:58,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:58,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-11-07 04:56:58,802 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:58,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:58,802 INFO L85 PathProgramCache]: Analyzing trace with hash -838108175, now seen corresponding path program 1 times [2021-11-07 04:56:58,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:58,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440492831] [2021-11-07 04:56:58,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:58,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-07 04:56:58,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:58,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440492831] [2021-11-07 04:56:58,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440492831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:58,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:58,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:56:58,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915269753] [2021-11-07 04:56:58,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:56:58,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:58,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:56:58,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:56:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,842 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:58,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:58,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:58,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-07 04:56:58,904 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:58,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:58,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1405963742, now seen corresponding path program 1 times [2021-11-07 04:56:58,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:58,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161703734] [2021-11-07 04:56:58,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:58,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-07 04:56:58,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:58,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161703734] [2021-11-07 04:56:58,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161703734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:58,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:58,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:58,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178170449] [2021-11-07 04:56:58,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:58,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:58,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:58,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,953 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:58,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:58,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:58,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:58,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:58,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:59,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-07 04:56:59,010 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:56:59,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:59,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1996767503, now seen corresponding path program 1 times [2021-11-07 04:56:59,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:59,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545182468] [2021-11-07 04:56:59,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:59,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:59,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:59,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545182468] [2021-11-07 04:56:59,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545182468] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:59,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763928820] [2021-11-07 04:56:59,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:59,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:59,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:59,098 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:59,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-07 04:56:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:59,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:56:59,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:56:59,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763928820] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:59,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:59,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:56:59,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39018657] [2021-11-07 04:56:59,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:56:59,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:59,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:56:59,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:56:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:59,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:56:59,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:59,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:56:59,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:56:59,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:56:59,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:00,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:00,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:00,234 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash 990950381, now seen corresponding path program 1 times [2021-11-07 04:57:00,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:00,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736290692] [2021-11-07 04:57:00,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:00,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-07 04:57:00,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:00,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736290692] [2021-11-07 04:57:00,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736290692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:00,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:00,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:57:00,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93628918] [2021-11-07 04:57:00,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:57:00,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:00,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:57:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:57:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,289 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:00,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:00,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-07 04:57:00,341 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash 969128568, now seen corresponding path program 1 times [2021-11-07 04:57:00,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:00,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168752595] [2021-11-07 04:57:00,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:00,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-07 04:57:00,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:00,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168752595] [2021-11-07 04:57:00,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168752595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:00,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:00,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:00,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499251495] [2021-11-07 04:57:00,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:00,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:00,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:00,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,398 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:00,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 04:57:00,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:00,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:00,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:00,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-07 04:57:00,475 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:00,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:00,475 INFO L85 PathProgramCache]: Analyzing trace with hash -914248201, now seen corresponding path program 1 times [2021-11-07 04:57:00,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:00,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390086988] [2021-11-07 04:57:00,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:00,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:00,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:00,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390086988] [2021-11-07 04:57:00,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390086988] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:00,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436155308] [2021-11-07 04:57:00,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:00,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:00,610 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:00,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-07 04:57:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:01,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:57:01,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:01,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436155308] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:01,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:01,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-11-07 04:57:01,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925256439] [2021-11-07 04:57:01,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 04:57:01,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:01,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 04:57:01,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 04:57:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:01,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:01,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:01,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:01,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:02,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:02,024 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:02,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:02,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1808480972, now seen corresponding path program 1 times [2021-11-07 04:57:02,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:02,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197790382] [2021-11-07 04:57:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:02,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:02,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:02,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197790382] [2021-11-07 04:57:02,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197790382] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:02,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038161013] [2021-11-07 04:57:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:02,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:02,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:02,194 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:02,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-11-07 04:57:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:02,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:57:02,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:03,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038161013] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:03,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:03,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-11-07 04:57:03,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391583223] [2021-11-07 04:57:03,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:57:03,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:03,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:57:03,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:57:03,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:03,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 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 04:57:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:03,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:03,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:03,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:03,512 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:03,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:03,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1028353903, now seen corresponding path program 1 times [2021-11-07 04:57:03,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:03,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925728404] [2021-11-07 04:57:03,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:03,528 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:57:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:03,548 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:57:03,548 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:57:03,549 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:57:03,549 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:57:03,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-07 04:57:03,550 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:57:03,551 WARN L234 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:57:03,551 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2021-11-07 04:57:03,560 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,560 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,560 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,561 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,561 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,561 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,561 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,561 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,561 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,562 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,562 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,562 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,562 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,562 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,562 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,563 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,563 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,563 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,563 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,563 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,563 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,564 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,565 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,566 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,566 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,566 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,566 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,566 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,566 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,567 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,568 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,568 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,568 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,568 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,568 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,568 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,569 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,569 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,569 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,569 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,569 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,569 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,570 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,571 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,572 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,572 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,572 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,572 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,572 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,572 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,573 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,574 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,574 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,574 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,574 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,574 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,574 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,575 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,575 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,575 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,575 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,575 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,575 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,576 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,577 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,577 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,577 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,577 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,577 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,577 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,578 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,578 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,578 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,578 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,578 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,578 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,579 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,580 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,581 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,581 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,581 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,581 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,581 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,581 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,582 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,582 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,582 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,582 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,582 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,583 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,583 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,584 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,584 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,584 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,584 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,585 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,585 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,586 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,586 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,586 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,586 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,587 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,587 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,587 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,588 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,588 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,589 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,589 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,589 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,589 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,589 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,591 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,591 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,591 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,592 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,592 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,593 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,593 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,593 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,593 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,593 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of7ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,600 INFO L148 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-11-07 04:57:03,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:57:03,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:03,602 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:57:03,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:57:03,611 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 04:57:03,611 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:57:03,614 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:03,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1021728028, now seen corresponding path program 1 times [2021-11-07 04:57:03,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:03,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012044106] [2021-11-07 04:57:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:03,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (35)] Waiting until timeout for monitored process [2021-11-07 04:57:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:03,675 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 04:57:03,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:03,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012044106] [2021-11-07 04:57:03,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012044106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:03,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:03,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:57:03,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633172777] [2021-11-07 04:57:03,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:57:03,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:57:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:57:03,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:03,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:57:03,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-07 04:57:03,679 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:03,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash -993069086, now seen corresponding path program 1 times [2021-11-07 04:57:03,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:03,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767601396] [2021-11-07 04:57:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:03,697 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 04:57:03,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:03,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767601396] [2021-11-07 04:57:03,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767601396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:03,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:03,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:03,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220179316] [2021-11-07 04:57:03,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:03,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:03,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:03,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:03,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:03,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:57:03,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:03,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-07 04:57:03,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:03,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:03,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1560579355, now seen corresponding path program 1 times [2021-11-07 04:57:03,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:03,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969182132] [2021-11-07 04:57:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:03,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:03,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969182132] [2021-11-07 04:57:03,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969182132] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:03,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967549490] [2021-11-07 04:57:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:03,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:03,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:03,800 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:03,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-11-07 04:57:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:04,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:57:04,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:04,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967549490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:04,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:57:04,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:57:04,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075860134] [2021-11-07 04:57:04,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:04,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:04,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:04,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:57:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:04,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:04,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:04,666 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:04,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:04,666 INFO L85 PathProgramCache]: Analyzing trace with hash 997228211, now seen corresponding path program 1 times [2021-11-07 04:57:04,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:04,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102588680] [2021-11-07 04:57:04,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:04,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:04,695 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 04:57:04,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:04,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102588680] [2021-11-07 04:57:04,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102588680] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:04,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809360127] [2021-11-07 04:57:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:04,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:04,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:04,710 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:04,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-07 04:57:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:05,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:57:05,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:05,490 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 04:57:05,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809360127] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:05,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:05,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:57:05,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878076631] [2021-11-07 04:57:05,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:57:05,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:05,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:57:05,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:57:05,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:05,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:05,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:05,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:05,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:05,814 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1468390734, now seen corresponding path program 1 times [2021-11-07 04:57:05,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:05,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668968128] [2021-11-07 04:57:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:05,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:05,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:05,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668968128] [2021-11-07 04:57:05,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668968128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:05,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:05,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:57:05,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51591551] [2021-11-07 04:57:05,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:57:05,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:05,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:57:05,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:57:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:05,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:05,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:05,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:05,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-07 04:57:05,866 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:05,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash 215094638, now seen corresponding path program 1 times [2021-11-07 04:57:05,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:05,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294819944] [2021-11-07 04:57:05,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:05,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:05,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:05,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294819944] [2021-11-07 04:57:05,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294819944] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:05,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811975465] [2021-11-07 04:57:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:05,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:05,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:05,902 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:05,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-11-07 04:57:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:06,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:57:06,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:06,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811975465] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:06,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:06,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:57:06,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581860765] [2021-11-07 04:57:06,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:57:06,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:06,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:57:06,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:57:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,702 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:06,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:57:06,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:06,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:06,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:06,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:06,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:06,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:06,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:07,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-11-07 04:57:07,066 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:07,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:07,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1871100982, now seen corresponding path program 1 times [2021-11-07 04:57:07,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:07,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684181709] [2021-11-07 04:57:07,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:07,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:07,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:07,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684181709] [2021-11-07 04:57:07,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684181709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:07,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:07,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:07,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155095843] [2021-11-07 04:57:07,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:07,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:07,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:07,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,094 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:07,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:57:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:07,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:07,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:07,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-07 04:57:07,115 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:07,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash 924247396, now seen corresponding path program 1 times [2021-11-07 04:57:07,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:07,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414691645] [2021-11-07 04:57:07,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:07,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:07,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:07,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414691645] [2021-11-07 04:57:07,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414691645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:07,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:07,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:07,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861746151] [2021-11-07 04:57:07,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:07,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:07,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:07,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,162 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:07,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:57:07,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:07,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:07,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:07,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:07,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-07 04:57:07,210 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:07,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:07,210 INFO L85 PathProgramCache]: Analyzing trace with hash -878467158, now seen corresponding path program 1 times [2021-11-07 04:57:07,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:07,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027316638] [2021-11-07 04:57:07,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:07,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:07,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:07,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027316638] [2021-11-07 04:57:07,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027316638] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:07,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188297344] [2021-11-07 04:57:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:07,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:07,286 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:07,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-11-07 04:57:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:07,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:57:07,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:08,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188297344] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:08,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:08,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:57:08,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797946599] [2021-11-07 04:57:08,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:57:08,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:08,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:57:08,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:57:08,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:08,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:57:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:08,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:08,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:08,477 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:08,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:08,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1264293969, now seen corresponding path program 1 times [2021-11-07 04:57:08,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:08,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563451845] [2021-11-07 04:57:08,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:08,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-07 04:57:08,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:08,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563451845] [2021-11-07 04:57:08,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563451845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:08,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:08,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:57:08,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259201135] [2021-11-07 04:57:08,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:57:08,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:08,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:57:08,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:57:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,513 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:08,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 04:57:08,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:08,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:08,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-07 04:57:08,553 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:08,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1072056203, now seen corresponding path program 1 times [2021-11-07 04:57:08,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:08,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168336009] [2021-11-07 04:57:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:08,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-07 04:57:08,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:08,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168336009] [2021-11-07 04:57:08,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168336009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:08,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:08,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:08,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289909737] [2021-11-07 04:57:08,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:08,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:08,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:08,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-07 04:57:08,656 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:08,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:08,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1642690777, now seen corresponding path program 1 times [2021-11-07 04:57:08,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:08,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258175271] [2021-11-07 04:57:08,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:08,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:08,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:08,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258175271] [2021-11-07 04:57:08,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258175271] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:08,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716041814] [2021-11-07 04:57:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:08,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:08,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:08,770 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:08,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-11-07 04:57:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:09,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:57:09,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:09,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716041814] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:09,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:09,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:57:09,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108601658] [2021-11-07 04:57:09,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:57:09,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:09,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:57:09,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:57:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:09,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:09,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:09,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:09,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:10,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:10,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:10,190 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:10,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1069014399, now seen corresponding path program 1 times [2021-11-07 04:57:10,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:10,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33294182] [2021-11-07 04:57:10,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:10,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:10,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:10,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33294182] [2021-11-07 04:57:10,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33294182] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:10,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658193770] [2021-11-07 04:57:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:10,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:10,313 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:10,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-07 04:57:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:10,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:57:10,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:11,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658193770] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:11,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:11,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-11-07 04:57:11,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569487627] [2021-11-07 04:57:11,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 04:57:11,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:11,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 04:57:11,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 04:57:11,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:11,331 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:11,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:11,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:11,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:11,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:11,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:11,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:11,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:11,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-11-07 04:57:11,734 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:11,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash -334180368, now seen corresponding path program 1 times [2021-11-07 04:57:11,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:11,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940426520] [2021-11-07 04:57:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:11,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:11,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:11,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940426520] [2021-11-07 04:57:11,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940426520] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:11,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645584297] [2021-11-07 04:57:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:11,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:11,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:11,864 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:11,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-11-07 04:57:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:12,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:57:12,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:12,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645584297] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:12,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:12,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-11-07 04:57:12,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178288808] [2021-11-07 04:57:12,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:57:12,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:57:12,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:57:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:12,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 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 04:57:12,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:12,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:12,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:12,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:12,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:13,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:13,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:13,386 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:13,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1226908766, now seen corresponding path program 1 times [2021-11-07 04:57:13,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:13,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737060733] [2021-11-07 04:57:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:13,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:13,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:13,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737060733] [2021-11-07 04:57:13,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737060733] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:13,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838014433] [2021-11-07 04:57:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:13,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:13,546 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:13,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-11-07 04:57:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:14,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 04:57:14,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:14,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838014433] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:14,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:14,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-11-07 04:57:14,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998509298] [2021-11-07 04:57:14,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 04:57:14,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 04:57:14,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-11-07 04:57:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:14,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:14,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 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 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:14,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:14,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:15,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:15,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-11-07 04:57:15,244 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:15,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:15,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1417692802, now seen corresponding path program 1 times [2021-11-07 04:57:15,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:15,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757814726] [2021-11-07 04:57:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:15,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:15,279 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:57:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:15,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:57:15,300 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:57:15,301 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:57:15,301 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:57:15,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-07 04:57:15,302 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:57:15,302 WARN L234 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:57:15,303 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2021-11-07 04:57:15,313 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,314 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,315 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,315 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,315 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,315 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,315 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,315 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,317 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,318 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,320 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,321 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,323 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,324 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,325 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,325 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,325 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,325 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,325 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,325 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,326 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,327 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,328 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,328 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,328 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,328 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,328 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,328 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,329 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,330 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,330 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,330 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,330 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,330 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,330 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,331 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,332 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,333 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,333 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,333 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,333 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,333 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,333 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,334 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,335 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,335 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,335 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,335 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,335 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,335 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,336 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,337 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,338 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,338 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,338 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,338 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,338 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,340 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,340 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,340 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,340 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,340 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,341 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,341 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,341 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,342 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,342 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,343 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,343 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,343 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,343 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,343 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,344 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,344 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,344 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,345 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,345 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,346 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,346 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,346 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,346 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,346 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,347 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,347 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,347 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,348 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,348 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,349 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,349 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,349 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of8ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,349 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,349 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of8ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:15,356 INFO L148 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2021-11-07 04:57:15,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:57:15,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:15,362 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:57:15,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:57:15,367 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 04:57:15,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:57:15,370 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:15,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:15,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1149054297, now seen corresponding path program 1 times [2021-11-07 04:57:15,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:15,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881797106] [2021-11-07 04:57:15,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:15,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:15,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (44)] Waiting until timeout for monitored process [2021-11-07 04:57:15,388 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 04:57:15,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:15,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881797106] [2021-11-07 04:57:15,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881797106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:15,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:15,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:57:15,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356949555] [2021-11-07 04:57:15,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:57:15,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:57:15,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:57:15,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,390 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:15,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:57:15,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-07 04:57:15,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:15,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:15,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1177713239, now seen corresponding path program 1 times [2021-11-07 04:57:15,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:15,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820601752] [2021-11-07 04:57:15,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:15,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:15,412 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 04:57:15,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:15,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820601752] [2021-11-07 04:57:15,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820601752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:15,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:15,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:15,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478221454] [2021-11-07 04:57:15,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:15,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:15,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:15,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:15,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,414 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:15,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:57:15,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:15,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-07 04:57:15,487 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:15,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:15,488 INFO L85 PathProgramCache]: Analyzing trace with hash -62749658, now seen corresponding path program 1 times [2021-11-07 04:57:15,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:15,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540147690] [2021-11-07 04:57:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:15,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:15,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:15,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540147690] [2021-11-07 04:57:15,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540147690] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:15,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041705762] [2021-11-07 04:57:15,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:15,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:15,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:15,522 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:15,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-07 04:57:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:16,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:57:16,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:16,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041705762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:16,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:57:16,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:57:16,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287266614] [2021-11-07 04:57:16,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:16,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:16,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:16,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:16,417 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:16,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:57:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:16,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:16,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:16,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:16,630 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:16,630 INFO L85 PathProgramCache]: Analyzing trace with hash -381749517, now seen corresponding path program 1 times [2021-11-07 04:57:16,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:16,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248618032] [2021-11-07 04:57:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:16,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:16,692 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 04:57:16,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:16,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248618032] [2021-11-07 04:57:16,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248618032] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:16,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752735470] [2021-11-07 04:57:16,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:16,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:16,693 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-07 04:57:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:17,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:57:17,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:17,610 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 04:57:17,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752735470] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:17,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:17,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:57:17,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883841142] [2021-11-07 04:57:17,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:57:17,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:17,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:57:17,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:57:17,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:17,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:17,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:17,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:17,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:17,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:17,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:17,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:17,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:17,933 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:17,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:17,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1527103469, now seen corresponding path program 1 times [2021-11-07 04:57:17,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:17,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616072195] [2021-11-07 04:57:17,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:17,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:17,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:17,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616072195] [2021-11-07 04:57:17,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616072195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:17,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:17,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:57:17,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646885836] [2021-11-07 04:57:17,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:57:17,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:17,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:57:17,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:57:17,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:17,995 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:17,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:17,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:18,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:18,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:18,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:18,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-07 04:57:18,017 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:18,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:18,017 INFO L85 PathProgramCache]: Analyzing trace with hash 273807373, now seen corresponding path program 1 times [2021-11-07 04:57:18,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:18,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536001582] [2021-11-07 04:57:18,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:18,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:18,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:18,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:18,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536001582] [2021-11-07 04:57:18,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536001582] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:18,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540533123] [2021-11-07 04:57:18,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:18,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:18,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:18,058 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:18,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-11-07 04:57:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:18,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:57:18,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:19,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540533123] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:19,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:19,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:57:19,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605475930] [2021-11-07 04:57:19,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:57:19,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:19,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:57:19,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:57:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,007 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:19,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:57:19,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:19,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:19,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:19,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:19,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-11-07 04:57:19,350 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:19,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:19,350 INFO L85 PathProgramCache]: Analyzing trace with hash 537106814, now seen corresponding path program 1 times [2021-11-07 04:57:19,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:19,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200823656] [2021-11-07 04:57:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:19,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:19,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:19,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200823656] [2021-11-07 04:57:19,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200823656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:19,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:19,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:19,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815202022] [2021-11-07 04:57:19,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:19,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:19,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:19,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,388 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:19,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:19,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-07 04:57:19,401 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1800324795, now seen corresponding path program 1 times [2021-11-07 04:57:19,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:19,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313037601] [2021-11-07 04:57:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:19,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:19,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:19,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313037601] [2021-11-07 04:57:19,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313037601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:19,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:19,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:19,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218212779] [2021-11-07 04:57:19,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:19,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:19,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:19,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:19,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:19,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:57:19,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:19,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:19,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-11-07 04:57:19,496 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1529740638, now seen corresponding path program 1 times [2021-11-07 04:57:19,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:19,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898524340] [2021-11-07 04:57:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:19,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:19,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:19,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898524340] [2021-11-07 04:57:19,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898524340] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:19,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356816652] [2021-11-07 04:57:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:19,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:19,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:19,558 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:19,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-11-07 04:57:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:20,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:57:20,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:20,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356816652] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:20,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:20,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:57:20,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755924287] [2021-11-07 04:57:20,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:57:20,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:20,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:57:20,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:57:20,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:20,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:20,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:57:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:20,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:20,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:20,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:20,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:20,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:20,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:20,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2021-11-07 04:57:20,954 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:20,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:20,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1650698249, now seen corresponding path program 1 times [2021-11-07 04:57:20,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:20,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611138286] [2021-11-07 04:57:20,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:20,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:21,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:21,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611138286] [2021-11-07 04:57:21,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611138286] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:21,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691535112] [2021-11-07 04:57:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:21,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:21,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:21,031 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:21,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-11-07 04:57:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:21,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:57:21,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:22,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691535112] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:22,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:22,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:57:22,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956175862] [2021-11-07 04:57:22,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:57:22,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:22,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:57:22,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:57:22,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:22,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:22,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:22,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:22,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:22,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:22,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:22,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:22,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:22,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:22,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:22,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:22,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:22,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-11-07 04:57:22,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:22,526 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:22,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:22,526 INFO L85 PathProgramCache]: Analyzing trace with hash 226906833, now seen corresponding path program 1 times [2021-11-07 04:57:22,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:22,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384423784] [2021-11-07 04:57:22,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:22,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:22,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:22,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384423784] [2021-11-07 04:57:22,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384423784] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:22,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600312517] [2021-11-07 04:57:22,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:22,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:22,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:22,619 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:22,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-11-07 04:57:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:23,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:57:23,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:23,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600312517] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:23,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:23,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-11-07 04:57:23,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327829331] [2021-11-07 04:57:23,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 04:57:23,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:23,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 04:57:23,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 04:57:23,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:23,847 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:23,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:23,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:24,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:24,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:24,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-11-07 04:57:24,250 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:24,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:24,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1650229164, now seen corresponding path program 1 times [2021-11-07 04:57:24,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:24,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404966800] [2021-11-07 04:57:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:24,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:24,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:24,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404966800] [2021-11-07 04:57:24,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404966800] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:24,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760559707] [2021-11-07 04:57:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:24,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:24,384 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:24,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-07 04:57:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:25,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:57:25,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:25,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760559707] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:25,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:25,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-11-07 04:57:25,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057764968] [2021-11-07 04:57:25,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:57:25,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:25,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:57:25,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:57:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,598 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:25,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 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 04:57:25,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:25,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:25,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:25,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:25,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:25,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:26,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:26,051 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:26,052 INFO L85 PathProgramCache]: Analyzing trace with hash 307341433, now seen corresponding path program 1 times [2021-11-07 04:57:26,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:26,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796510920] [2021-11-07 04:57:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:26,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-07 04:57:26,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:26,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796510920] [2021-11-07 04:57:26,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796510920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:26,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:26,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:26,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229479693] [2021-11-07 04:57:26,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:26,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:26,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:26,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:26,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:26,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:26,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:26,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:26,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:26,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:26,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:26,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:26,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:26,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-11-07 04:57:26,222 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:26,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:26,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1425691016, now seen corresponding path program 1 times [2021-11-07 04:57:26,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:26,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813025078] [2021-11-07 04:57:26,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:26,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:26,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:26,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813025078] [2021-11-07 04:57:26,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813025078] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:26,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000463178] [2021-11-07 04:57:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:26,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:26,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:26,383 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:26,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2021-11-07 04:57:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:27,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 04:57:27,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:27,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000463178] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:27,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:27,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-11-07 04:57:27,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946070742] [2021-11-07 04:57:27,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 04:57:27,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:27,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 04:57:27,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-11-07 04:57:27,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:27,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:27,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 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 04:57:27,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:27,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:27,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:28,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2021-11-07 04:57:28,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:28,242 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:28,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:28,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1664294244, now seen corresponding path program 1 times [2021-11-07 04:57:28,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:28,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106191484] [2021-11-07 04:57:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:28,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-07 04:57:28,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:28,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106191484] [2021-11-07 04:57:28,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106191484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:28,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:28,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:28,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520109415] [2021-11-07 04:57:28,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:28,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:28,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:28,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:28,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:28,314 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:28,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 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 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:28,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:28,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:28,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:28,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:28,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:28,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:28,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:28,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:28,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:28,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-11-07 04:57:28,405 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:28,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:28,406 INFO L85 PathProgramCache]: Analyzing trace with hash 798149221, now seen corresponding path program 1 times [2021-11-07 04:57:28,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:28,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403799862] [2021-11-07 04:57:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:28,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:28,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:28,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403799862] [2021-11-07 04:57:28,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403799862] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:28,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419217836] [2021-11-07 04:57:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:28,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:28,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:28,583 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:28,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-11-07 04:57:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:29,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 04:57:29,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:30,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419217836] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:30,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:30,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-11-07 04:57:30,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362398956] [2021-11-07 04:57:30,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 04:57:30,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:30,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 04:57:30,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-11-07 04:57:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:30,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.904761904761905) internal successors, (166), 21 states have internal predecessors, (166), 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 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:30,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:30,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:57:30,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2021-11-07 04:57:30,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable94 [2021-11-07 04:57:30,626 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:30,626 INFO L85 PathProgramCache]: Analyzing trace with hash 718850922, now seen corresponding path program 1 times [2021-11-07 04:57:30,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:30,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889566469] [2021-11-07 04:57:30,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:30,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:30,643 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:57:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:30,668 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:57:30,668 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:57:30,668 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:57:30,668 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:57:30,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-11-07 04:57:30,669 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:57:30,670 WARN L234 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:57:30,670 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2021-11-07 04:57:30,683 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,683 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,684 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,684 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,684 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,684 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,684 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,684 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,685 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,686 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,686 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,686 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,686 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,686 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,686 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,687 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,688 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,689 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,690 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,691 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,692 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,692 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,692 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,692 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,692 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,692 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,693 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,694 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,695 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,695 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,695 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,696 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,696 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,696 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,696 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,696 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,697 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,698 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,699 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,699 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,699 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,699 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,699 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,699 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,700 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,701 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,702 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,702 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,702 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,702 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,702 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,702 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,703 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,704 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,705 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,706 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,707 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,708 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,709 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,709 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,709 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,709 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,709 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,709 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,710 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,711 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,711 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,711 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,711 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,711 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,712 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,713 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,713 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,713 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,713 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,713 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,714 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,714 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,714 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,715 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,715 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,716 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,716 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,716 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,716 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,716 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,717 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,717 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,717 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,717 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,718 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,718 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,719 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,719 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,719 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,719 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,720 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,720 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,720 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,720 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,721 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,721 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,721 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,722 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,722 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,722 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,723 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,723 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,723 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,723 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of9ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,723 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of9ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:30,733 INFO L148 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-11-07 04:57:30,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:57:30,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:30,738 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:57:30,741 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:57:30,741 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 04:57:30,741 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:57:30,745 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:30,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash 640961626, now seen corresponding path program 1 times [2021-11-07 04:57:30,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:30,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906072645] [2021-11-07 04:57:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:30,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:30,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (54)] Waiting until timeout for monitored process [2021-11-07 04:57:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:30,770 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 04:57:30,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:30,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906072645] [2021-11-07 04:57:30,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906072645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:30,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:30,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:57:30,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096562214] [2021-11-07 04:57:30,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:57:30,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:30,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:57:30,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:57:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:30,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:57:30,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-11-07 04:57:30,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:30,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:30,774 INFO L85 PathProgramCache]: Analyzing trace with hash 669620568, now seen corresponding path program 1 times [2021-11-07 04:57:30,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:30,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878346254] [2021-11-07 04:57:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:30,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:30,796 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 04:57:30,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:30,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878346254] [2021-11-07 04:57:30,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878346254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:30,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:30,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:30,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271461364] [2021-11-07 04:57:30,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:30,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:30,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:30,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:30,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,798 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:30,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:57:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:30,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-11-07 04:57:30,853 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:30,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1891950531, now seen corresponding path program 1 times [2021-11-07 04:57:30,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:30,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158421168] [2021-11-07 04:57:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:30,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:30,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:30,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158421168] [2021-11-07 04:57:30,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158421168] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:30,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201532799] [2021-11-07 04:57:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:30,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:30,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:30,888 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:30,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-07 04:57:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:31,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:57:31,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:31,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201532799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:31,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:57:31,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:57:31,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50628409] [2021-11-07 04:57:31,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:31,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:31,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:31,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:31,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:31,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:31,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:57:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:32,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:32,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:32,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:32,221 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:32,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:32,222 INFO L85 PathProgramCache]: Analyzing trace with hash -768287789, now seen corresponding path program 1 times [2021-11-07 04:57:32,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:32,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914224889] [2021-11-07 04:57:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:32,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:32,258 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 04:57:32,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:32,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914224889] [2021-11-07 04:57:32,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914224889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:32,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871314693] [2021-11-07 04:57:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:32,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:32,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:32,260 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:32,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-07 04:57:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:33,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:57:33,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:33,392 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 04:57:33,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871314693] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:33,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:33,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:57:33,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642478430] [2021-11-07 04:57:33,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:57:33,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:33,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:57:33,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:57:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:33,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:33,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:33,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-11-07 04:57:33,691 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:33,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:33,691 INFO L85 PathProgramCache]: Analyzing trace with hash 441189846, now seen corresponding path program 1 times [2021-11-07 04:57:33,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:33,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106075499] [2021-11-07 04:57:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:33,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:33,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:33,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106075499] [2021-11-07 04:57:33,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106075499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:33,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:33,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:57:33,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003988329] [2021-11-07 04:57:33,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:57:33,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:33,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:57:33,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:57:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:33,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:33,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-11-07 04:57:33,747 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:33,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:33,747 INFO L85 PathProgramCache]: Analyzing trace with hash -812106250, now seen corresponding path program 1 times [2021-11-07 04:57:33,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:33,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639430214] [2021-11-07 04:57:33,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:33,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:33,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:33,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639430214] [2021-11-07 04:57:33,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639430214] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:33,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92592309] [2021-11-07 04:57:33,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:33,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:33,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:33,786 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-07 04:57:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:35,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:57:35,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:35,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92592309] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:35,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:35,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:57:35,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134180727] [2021-11-07 04:57:35,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:57:35,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:35,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:57:35,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:57:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:35,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:57:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:35,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:35,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-11-07 04:57:35,590 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:35,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:35,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1414057042, now seen corresponding path program 1 times [2021-11-07 04:57:35,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:35,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756709098] [2021-11-07 04:57:35,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:35,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:35,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:35,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756709098] [2021-11-07 04:57:35,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756709098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:35,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:35,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:35,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845916608] [2021-11-07 04:57:35,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:35,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:35,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:35,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,619 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:35,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:57:35,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:35,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-11-07 04:57:35,639 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:35,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1707018402, now seen corresponding path program 1 times [2021-11-07 04:57:35,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:35,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615297711] [2021-11-07 04:57:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:35,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:35,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:35,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615297711] [2021-11-07 04:57:35,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615297711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:35,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:35,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:35,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304194945] [2021-11-07 04:57:35,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:35,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:35,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:35,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:35,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:35,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:57:35,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:35,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:35,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:35,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:35,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-11-07 04:57:35,738 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:35,738 INFO L85 PathProgramCache]: Analyzing trace with hash -421423218, now seen corresponding path program 1 times [2021-11-07 04:57:35,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:35,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415352415] [2021-11-07 04:57:35,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:35,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:35,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:35,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415352415] [2021-11-07 04:57:35,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415352415] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:35,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796099083] [2021-11-07 04:57:35,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:35,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:35,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:35,806 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:35,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2021-11-07 04:57:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:36,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:57:36,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:37,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796099083] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:37,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:37,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:57:37,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359416768] [2021-11-07 04:57:37,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:57:37,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:37,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:57:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:57:37,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:37,104 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:37,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:37,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:37,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:37,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:37,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2021-11-07 04:57:37,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:37,421 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 926532807, now seen corresponding path program 1 times [2021-11-07 04:57:37,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:37,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044650828] [2021-11-07 04:57:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:37,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:37,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:37,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044650828] [2021-11-07 04:57:37,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044650828] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:37,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390945160] [2021-11-07 04:57:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:37,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:37,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:37,517 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:37,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2021-11-07 04:57:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:38,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:57:38,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:38,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390945160] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:38,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:38,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:57:38,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571562032] [2021-11-07 04:57:38,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:57:38,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:38,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:57:38,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:57:38,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:38,829 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:38,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:38,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:38,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:38,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:39,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:39,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:39,219 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:39,220 INFO L85 PathProgramCache]: Analyzing trace with hash 42233315, now seen corresponding path program 1 times [2021-11-07 04:57:39,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:39,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340111108] [2021-11-07 04:57:39,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:39,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:39,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:39,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340111108] [2021-11-07 04:57:39,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340111108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:39,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026772194] [2021-11-07 04:57:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:39,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:39,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:39,369 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:39,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2021-11-07 04:57:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:40,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:57:40,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:40,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026772194] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:40,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:40,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-11-07 04:57:40,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113858475] [2021-11-07 04:57:40,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 04:57:40,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:40,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 04:57:40,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 04:57:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:40,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:40,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:40,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:40,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:40,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:40,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:40,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2021-11-07 04:57:41,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-11-07 04:57:41,120 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:41,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash 566111528, now seen corresponding path program 1 times [2021-11-07 04:57:41,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:41,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880087744] [2021-11-07 04:57:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:41,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:41,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:41,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880087744] [2021-11-07 04:57:41,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880087744] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:41,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041155472] [2021-11-07 04:57:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:41,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:41,236 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:41,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2021-11-07 04:57:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:42,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:57:42,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:42,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041155472] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:42,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:42,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-11-07 04:57:42,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308044508] [2021-11-07 04:57:42,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:57:42,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:42,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:57:42,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:57:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:42,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:42,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 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 04:57:42,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:42,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:42,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:42,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:42,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:42,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:43,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2021-11-07 04:57:43,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-11-07 04:57:43,267 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:43,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:43,267 INFO L85 PathProgramCache]: Analyzing trace with hash -2027798934, now seen corresponding path program 1 times [2021-11-07 04:57:43,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:43,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839761368] [2021-11-07 04:57:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:43,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-07 04:57:43,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:43,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839761368] [2021-11-07 04:57:43,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839761368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:43,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:43,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:43,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89904989] [2021-11-07 04:57:43,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:43,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:43,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:43,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:43,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:43,320 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:43,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:43,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:43,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:43,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-11-07 04:57:43,385 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:43,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:43,385 INFO L85 PathProgramCache]: Analyzing trace with hash 25041646, now seen corresponding path program 1 times [2021-11-07 04:57:43,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:43,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834132252] [2021-11-07 04:57:43,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:43,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:43,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:43,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834132252] [2021-11-07 04:57:43,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834132252] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:43,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389415901] [2021-11-07 04:57:43,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:43,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:43,533 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:43,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-11-07 04:57:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:44,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 04:57:44,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:45,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389415901] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:45,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:45,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-11-07 04:57:45,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261243363] [2021-11-07 04:57:45,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 04:57:45,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:45,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 04:57:45,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-11-07 04:57:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:45,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:45,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 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 04:57:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:45,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:45,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:45,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:45,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:45,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:45,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:45,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:45,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:45,517 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:45,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1439959413, now seen corresponding path program 1 times [2021-11-07 04:57:45,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:45,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770836852] [2021-11-07 04:57:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:45,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:45,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:45,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770836852] [2021-11-07 04:57:45,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770836852] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:45,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985976515] [2021-11-07 04:57:45,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:45,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:45,698 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:45,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-11-07 04:57:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:47,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 04:57:47,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:47,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985976515] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:47,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:47,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-11-07 04:57:47,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414048286] [2021-11-07 04:57:47,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 04:57:47,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:47,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 04:57:47,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-11-07 04:57:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:47,361 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:47,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.904761904761905) internal successors, (166), 21 states have internal predecessors, (166), 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 04:57:47,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:47,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:47,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:47,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:47,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:47,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:57:47,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:47,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable110 [2021-11-07 04:57:47,867 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:47,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:47,867 INFO L85 PathProgramCache]: Analyzing trace with hash -83138883, now seen corresponding path program 1 times [2021-11-07 04:57:47,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:47,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666018768] [2021-11-07 04:57:47,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:47,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:48,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:48,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666018768] [2021-11-07 04:57:48,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666018768] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:48,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060380617] [2021-11-07 04:57:48,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:48,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:48,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:48,084 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:48,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-11-07 04:57:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:49,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 04:57:49,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:49,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060380617] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:49,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:49,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-11-07 04:57:49,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838525876] [2021-11-07 04:57:49,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-07 04:57:49,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:49,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-07 04:57:49,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-07 04:57:49,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:49,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:49,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.826086956521739) internal successors, (180), 23 states have internal predecessors, (180), 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 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:49,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:57:49,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:57:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:57:50,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:50,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-11-07 04:57:50,222 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:50,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:50,222 INFO L85 PathProgramCache]: Analyzing trace with hash 60883431, now seen corresponding path program 1 times [2021-11-07 04:57:50,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:50,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020263252] [2021-11-07 04:57:50,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:50,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:50,239 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 04:57:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 04:57:50,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 04:57:50,265 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 04:57:50,265 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:57:50,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:57:50,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-11-07 04:57:50,266 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 04:57:50,267 WARN L234 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-07 04:57:50,267 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2021-11-07 04:57:50,278 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,278 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,279 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,280 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,281 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,281 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,281 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,281 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,281 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,281 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,282 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,283 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,284 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,285 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,286 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,286 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,286 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,287 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,287 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,287 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,287 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,287 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,287 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,288 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,289 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,289 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,289 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,289 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,289 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,289 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,290 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,291 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,292 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,293 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,294 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,295 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,296 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,296 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,296 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,296 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,296 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,296 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,297 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,298 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,299 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,300 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,301 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,302 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,303 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,304 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,305 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,305 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,305 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,305 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,305 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,305 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,306 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,307 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,308 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,308 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,308 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,308 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,308 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,309 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,309 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,309 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,310 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,310 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,310 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,310 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,310 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,311 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,311 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,312 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,312 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,312 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,313 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,313 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,313 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,313 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,313 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,314 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,314 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,314 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,315 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,315 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,316 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,316 WARN L322 ript$VariableManager]: TermVariabe salethreadThread6of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,316 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread6of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,317 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,317 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,317 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread7of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,318 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,318 WARN L322 ript$VariableManager]: TermVariabe salethreadThread7of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,319 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,319 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread8of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,319 WARN L322 ript$VariableManager]: TermVariabe salethreadThread8of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,320 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,320 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread9of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,320 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,320 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,321 WARN L322 ript$VariableManager]: TermVariabe salethreadThread9of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,321 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,322 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,322 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread10of10ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,322 WARN L322 ript$VariableManager]: TermVariabe salethreadThread10of10ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:50,330 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-11-07 04:57:50,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:57:50,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:50,332 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:57:50,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:57:50,335 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 04:57:50,335 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 04:57:50,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:50,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:50,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1748961255, now seen corresponding path program 1 times [2021-11-07 04:57:50,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:50,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216110389] [2021-11-07 04:57:50,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:50,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:50,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (65)] Waiting until timeout for monitored process [2021-11-07 04:57:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:50,363 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 04:57:50,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:50,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216110389] [2021-11-07 04:57:50,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216110389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:50,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:50,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:57:50,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043297267] [2021-11-07 04:57:50,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:57:50,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:50,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:57:50,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:57:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:50,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 04:57:50,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-11-07 04:57:50,365 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:50,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:50,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1777620197, now seen corresponding path program 1 times [2021-11-07 04:57:50,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:50,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713437605] [2021-11-07 04:57:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:50,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:50,384 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 04:57:50,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:50,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713437605] [2021-11-07 04:57:50,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713437605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:50,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:50,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:50,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633926685] [2021-11-07 04:57:50,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:50,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:50,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:50,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:50,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 04:57:50,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:50,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-11-07 04:57:50,426 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:50,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:50,426 INFO L85 PathProgramCache]: Analyzing trace with hash 367944032, now seen corresponding path program 1 times [2021-11-07 04:57:50,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:50,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657963977] [2021-11-07 04:57:50,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:50,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:57:50,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:50,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657963977] [2021-11-07 04:57:50,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657963977] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:50,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010453596] [2021-11-07 04:57:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:50,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:50,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:50,505 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:50,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-11-07 04:57:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:51,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 04:57:51,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:51,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010453596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:51,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 04:57:51,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 04:57:51,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684637314] [2021-11-07 04:57:51,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:51,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:51,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:51,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:51,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:51,881 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:51,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:57:51,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:51,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:51,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:51,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:51,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:52,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115 [2021-11-07 04:57:52,094 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:52,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1357707497, now seen corresponding path program 1 times [2021-11-07 04:57:52,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:52,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276290156] [2021-11-07 04:57:52,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:52,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:52,123 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 04:57:52,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:52,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276290156] [2021-11-07 04:57:52,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276290156] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:52,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714660616] [2021-11-07 04:57:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:52,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:52,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:52,125 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:52,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2021-11-07 04:57:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:53,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 04:57:53,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:53,549 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 04:57:53,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714660616] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:53,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:53,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-07 04:57:53,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652564545] [2021-11-07 04:57:53,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:57:53,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:53,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:57:53,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:57:53,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:53,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:53,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2021-11-07 04:57:53,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:53,878 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1272742401, now seen corresponding path program 1 times [2021-11-07 04:57:53,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:53,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892033680] [2021-11-07 04:57:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:53,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:53,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:53,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892033680] [2021-11-07 04:57:53,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892033680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:53,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:53,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:57:53,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869678570] [2021-11-07 04:57:53,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:57:53,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:53,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:57:53,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:57:53,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:53,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:57:53,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:53,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:53,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-11-07 04:57:53,931 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:53,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:53,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1768928799, now seen corresponding path program 1 times [2021-11-07 04:57:53,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:53,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193408388] [2021-11-07 04:57:53,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:53,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 04:57:53,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:53,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193408388] [2021-11-07 04:57:53,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193408388] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:53,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812091964] [2021-11-07 04:57:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:53,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:53,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:53,983 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:54,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2021-11-07 04:57:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:55,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:57:55,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:55,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812091964] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:55,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:55,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2021-11-07 04:57:55,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861155034] [2021-11-07 04:57:55,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:57:55,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:55,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:57:55,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:57:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:55,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:55,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 04:57:55,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:55,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:55,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:55,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:55,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:55,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:55,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:55,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:55,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:55,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:56,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:56,082 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:56,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:56,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1098522574, now seen corresponding path program 1 times [2021-11-07 04:57:56,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:56,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432357007] [2021-11-07 04:57:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:56,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:56,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:56,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432357007] [2021-11-07 04:57:56,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432357007] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:56,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:56,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 04:57:56,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124470967] [2021-11-07 04:57:56,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 04:57:56,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:56,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 04:57:56,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 04:57:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:56,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 04:57:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:56,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:56,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-11-07 04:57:56,126 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:56,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:56,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1166309443, now seen corresponding path program 1 times [2021-11-07 04:57:56,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:56,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136348605] [2021-11-07 04:57:56,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:56,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-07 04:57:56,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:56,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136348605] [2021-11-07 04:57:56,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136348605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:56,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:56,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:56,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415535088] [2021-11-07 04:57:56,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:56,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:56,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:56,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,189 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:56,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 04:57:56,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:56,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-11-07 04:57:56,240 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash 2091156398, now seen corresponding path program 1 times [2021-11-07 04:57:56,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:56,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462052355] [2021-11-07 04:57:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:56,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:56,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:56,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462052355] [2021-11-07 04:57:56,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462052355] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:56,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211706458] [2021-11-07 04:57:56,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:56,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:56,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:56,306 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:56,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-11-07 04:57:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:57,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:57:57,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:57,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211706458] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:57,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:57,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-11-07 04:57:57,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094201516] [2021-11-07 04:57:57,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 04:57:57,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:57,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 04:57:57,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-07 04:57:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:57,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:57,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 04:57:57,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:57,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:57,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:57:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:57:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:57:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:57:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:57:58,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:58,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable121 [2021-11-07 04:57:58,227 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:57:58,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2031830939, now seen corresponding path program 1 times [2021-11-07 04:57:58,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:58,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118821986] [2021-11-07 04:57:58,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:58,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:57:58,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:58,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118821986] [2021-11-07 04:57:58,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118821986] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:58,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689995246] [2021-11-07 04:57:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:58,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:58,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:58,342 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:58,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-11-07 04:57:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:59,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 04:57:59,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:00,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689995246] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:00,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:00,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-11-07 04:58:00,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663399713] [2021-11-07 04:58:00,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 04:58:00,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:00,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 04:58:00,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-07 04:58:00,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:00,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:00,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:00,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:00,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2021-11-07 04:58:00,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:00,482 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:00,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1609189193, now seen corresponding path program 1 times [2021-11-07 04:58:00,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:00,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141876603] [2021-11-07 04:58:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:00,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:00,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:00,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141876603] [2021-11-07 04:58:00,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141876603] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:00,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254684291] [2021-11-07 04:58:00,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:00,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:00,577 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:00,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-07 04:58:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:02,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 04:58:02,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:02,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254684291] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:02,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:02,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-11-07 04:58:02,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657572623] [2021-11-07 04:58:02,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 04:58:02,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:02,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 04:58:02,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 04:58:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:02,257 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:02,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:02,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:02,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:02,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:02,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:02,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:02,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:02,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:02,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2021-11-07 04:58:02,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:02,606 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:02,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:02,606 INFO L85 PathProgramCache]: Analyzing trace with hash -672096648, now seen corresponding path program 1 times [2021-11-07 04:58:02,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:02,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294348988] [2021-11-07 04:58:02,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:02,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:02,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:02,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294348988] [2021-11-07 04:58:02,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294348988] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:02,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871402091] [2021-11-07 04:58:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:02,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:02,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:02,754 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:02,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2021-11-07 04:58:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:04,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 04:58:04,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:04,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871402091] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:04,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:04,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-11-07 04:58:04,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235821878] [2021-11-07 04:58:04,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 04:58:04,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:04,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 04:58:04,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-07 04:58:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:04,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:04,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 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 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:04,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:04,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2021-11-07 04:58:04,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-11-07 04:58:04,896 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:04,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:04,896 INFO L85 PathProgramCache]: Analyzing trace with hash -67597794, now seen corresponding path program 1 times [2021-11-07 04:58:04,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:04,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843397741] [2021-11-07 04:58:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:04,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:05,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:05,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843397741] [2021-11-07 04:58:05,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843397741] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:05,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821683448] [2021-11-07 04:58:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:05,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:05,039 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:05,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2021-11-07 04:58:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:06,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 04:58:06,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:06,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821683448] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:06,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:06,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-11-07 04:58:06,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637235946] [2021-11-07 04:58:06,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 04:58:06,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:06,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 04:58:06,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-11-07 04:58:06,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:06,904 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:06,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 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 04:58:06,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:06,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:06,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:07,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:07,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2021-11-07 04:58:07,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-11-07 04:58:07,434 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:07,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash -632967153, now seen corresponding path program 1 times [2021-11-07 04:58:07,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:07,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542755845] [2021-11-07 04:58:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:07,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:07,603 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:07,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:07,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542755845] [2021-11-07 04:58:07,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542755845] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:07,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7568096] [2021-11-07 04:58:07,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:07,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:07,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:07,605 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:07,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2021-11-07 04:58:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:09,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 04:58:09,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:09,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7568096] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:09,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:09,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21 [2021-11-07 04:58:09,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295805277] [2021-11-07 04:58:09,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 04:58:09,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:09,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 04:58:09,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-11-07 04:58:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:09,708 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:09,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.904761904761905) internal successors, (166), 21 states have internal predecessors, (166), 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 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:09,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:09,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:09,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:10,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:10,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:10,282 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:10,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:10,282 INFO L85 PathProgramCache]: Analyzing trace with hash -49427209, now seen corresponding path program 1 times [2021-11-07 04:58:10,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:10,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099201937] [2021-11-07 04:58:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:10,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-07 04:58:10,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:10,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099201937] [2021-11-07 04:58:10,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099201937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:10,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:10,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 04:58:10,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155561608] [2021-11-07 04:58:10,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 04:58:10,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:10,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 04:58:10,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 04:58:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:10,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 04:58:10,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:10,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:10,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:10,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:10,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:10,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:10,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-11-07 04:58:10,527 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:10,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1278341950, now seen corresponding path program 1 times [2021-11-07 04:58:10,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:10,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495083275] [2021-11-07 04:58:10,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:10,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-07 04:58:10,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:10,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495083275] [2021-11-07 04:58:10,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495083275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:10,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:10,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:58:10,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145497843] [2021-11-07 04:58:10,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:58:10,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:10,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:58:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:58:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:10,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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 04:58:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:10,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:10,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-11-07 04:58:10,732 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:10,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1010857161, now seen corresponding path program 1 times [2021-11-07 04:58:10,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:10,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799745093] [2021-11-07 04:58:10,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:10,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:10,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:10,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799745093] [2021-11-07 04:58:10,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799745093] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:10,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634969492] [2021-11-07 04:58:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:10,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:10,973 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:10,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2021-11-07 04:58:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:12,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 04:58:12,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 04:58:12,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634969492] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:12,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:12,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23 [2021-11-07 04:58:12,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819836203] [2021-11-07 04:58:12,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-07 04:58:12,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:12,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-07 04:58:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-07 04:58:12,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:12,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:12,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.826086956521739) internal successors, (180), 23 states have internal predecessors, (180), 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 04:58:12,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:12,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:13,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:13,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable129 [2021-11-07 04:58:13,525 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:13,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:13,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1946965482, now seen corresponding path program 1 times [2021-11-07 04:58:13,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:13,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423219732] [2021-11-07 04:58:13,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:13,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:13,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:13,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423219732] [2021-11-07 04:58:13,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423219732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:13,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:13,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 04:58:13,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079004410] [2021-11-07 04:58:13,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 04:58:13,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:13,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 04:58:13,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 04:58:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:13,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 04:58:13,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:13,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:13,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:13,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-07 04:58:13,827 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:13,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:13,827 INFO L85 PathProgramCache]: Analyzing trace with hash -846349863, now seen corresponding path program 1 times [2021-11-07 04:58:13,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:13,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507607608] [2021-11-07 04:58:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:13,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:13,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:13,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507607608] [2021-11-07 04:58:13,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507607608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:13,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:13,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 04:58:13,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623766975] [2021-11-07 04:58:13,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:58:13,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:13,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:58:13,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:58:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:13,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 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 04:58:13,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:13,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:13,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:14,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-07 04:58:14,086 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:14,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:14,086 INFO L85 PathProgramCache]: Analyzing trace with hash 757858730, now seen corresponding path program 1 times [2021-11-07 04:58:14,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:14,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233702507] [2021-11-07 04:58:14,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:14,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:14,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:14,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233702507] [2021-11-07 04:58:14,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233702507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:14,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:14,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-07 04:58:14,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118427259] [2021-11-07 04:58:14,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 04:58:14,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:14,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 04:58:14,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-07 04:58:14,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,201 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:14,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.25) internal successors, (111), 12 states have internal predecessors, (111), 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 04:58:14,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:14,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:14,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-07 04:58:14,430 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:14,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1058188711, now seen corresponding path program 1 times [2021-11-07 04:58:14,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:14,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836087140] [2021-11-07 04:58:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:14,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:14,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:14,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836087140] [2021-11-07 04:58:14,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836087140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:14,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:14,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-07 04:58:14,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078279075] [2021-11-07 04:58:14,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 04:58:14,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:14,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 04:58:14,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-07 04:58:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:14,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 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 04:58:14,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:14,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:14,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:14,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:14,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-11-07 04:58:14,848 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:14,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1550030186, now seen corresponding path program 1 times [2021-11-07 04:58:14,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:14,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530370537] [2021-11-07 04:58:14,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:14,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:15,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:15,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530370537] [2021-11-07 04:58:15,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530370537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:15,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:15,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-07 04:58:15,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370355500] [2021-11-07 04:58:15,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 04:58:15,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:15,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 04:58:15,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-07 04:58:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,087 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:15,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:15,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:15,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-11-07 04:58:15,384 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:15,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash 453788377, now seen corresponding path program 1 times [2021-11-07 04:58:15,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:15,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805008965] [2021-11-07 04:58:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:15,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:15,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:15,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805008965] [2021-11-07 04:58:15,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805008965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:15,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:15,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-07 04:58:15,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861256446] [2021-11-07 04:58:15,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 04:58:15,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:15,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 04:58:15,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-11-07 04:58:15,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,567 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:15,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.666666666666667) internal successors, (120), 18 states have internal predecessors, (120), 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 04:58:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:15,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:15,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 04:58:15,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-11-07 04:58:15,912 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:15,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:15,913 INFO L85 PathProgramCache]: Analyzing trace with hash 157094186, now seen corresponding path program 1 times [2021-11-07 04:58:15,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:15,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012254000] [2021-11-07 04:58:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:15,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:16,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:16,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012254000] [2021-11-07 04:58:16,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012254000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:16,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:16,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-07 04:58:16,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842814392] [2021-11-07 04:58:16,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 04:58:16,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:16,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 04:58:16,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-11-07 04:58:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:16,143 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:16,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.15) internal successors, (123), 20 states have internal predecessors, (123), 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 04:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:16,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:16,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 04:58:16,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 04:58:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:16,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-11-07 04:58:16,663 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:16,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1606382759, now seen corresponding path program 1 times [2021-11-07 04:58:16,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:16,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135807809] [2021-11-07 04:58:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:16,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 04:58:16,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:16,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135807809] [2021-11-07 04:58:16,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135807809] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:16,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698481914] [2021-11-07 04:58:16,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:16,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:16,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:58:16,986 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:58:17,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2021-11-07 04:58:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:18,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:58:18,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:58:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2021-11-07 04:58:19,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698481914] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:58:19,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:58:19,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 7] total 27 [2021-11-07 04:58:19,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208478361] [2021-11-07 04:58:19,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-07 04:58:19,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-07 04:58:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2021-11-07 04:58:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:19,176 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:19,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.777777777777779) internal successors, (237), 27 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:19,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 04:58:19,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:19,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:31,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 04:58:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:31,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Forceful destruction successful, exit code 0 [2021-11-07 04:58:32,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24763095-72f7-409a-9e0b-576fc076a84b/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:58:32,014 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-07 04:58:32,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:58:32,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1816953044, now seen corresponding path program 1 times [2021-11-07 04:58:32,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:58:32,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104964896] [2021-11-07 04:58:32,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:58:32,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:58:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:58:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2021-11-07 04:58:32,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:58:32,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104964896] [2021-11-07 04:58:32,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104964896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:58:32,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:58:32,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-07 04:58:32,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101826411] [2021-11-07 04:58:32,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-07 04:58:32,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:58:32,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-07 04:58:32,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-11-07 04:58:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:32,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:58:32,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.7727272727272725) internal successors, (127), 22 states have internal predecessors, (127), 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 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-07 04:58:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-07 04:58:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-07 04:58:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-07 04:58:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-07 04:58:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-07 04:58:32,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.