./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e523f48 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y --witnessprinter.witness.filename witness --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 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-5e523f4 [2024-11-21 00:44:31,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 00:44:31,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 00:44:31,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 00:44:31,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 00:44:31,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 00:44:31,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 00:44:31,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 00:44:31,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 00:44:31,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 00:44:31,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 00:44:31,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 00:44:31,656 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 00:44:31,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 00:44:31,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 00:44:31,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 00:44:31,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 00:44:31,658 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 00:44:31,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 00:44:31,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:44:31,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 00:44:31,659 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 00:44:31,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 00:44:31,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 00:44:31,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 00:44:31,660 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 00:44:31,660 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 00:44:31,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 8a0558934008acf79b7e5b205fa256c568a1b783af274566f36b253458639325 [2024-11-21 00:44:31,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 00:44:31,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 00:44:31,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 00:44:31,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 00:44:31,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 00:44:32,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2024-11-21 00:44:35,135 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/data/a848781db/f85d1d5d6ef94c54a367ae972f2743f6/FLAG94bb73141 [2024-11-21 00:44:35,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 00:44:35,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2024-11-21 00:44:35,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/data/a848781db/f85d1d5d6ef94c54a367ae972f2743f6/FLAG94bb73141 [2024-11-21 00:44:35,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/data/a848781db/f85d1d5d6ef94c54a367ae972f2743f6 [2024-11-21 00:44:35,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 00:44:35,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 00:44:35,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 00:44:35,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 00:44:35,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 00:44:35,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb94790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35, skipping insertion in model container [2024-11-21 00:44:35,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 00:44:35,780 WARN L250 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_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2508,2521] [2024-11-21 00:44:35,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:44:35,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 00:44:35,821 WARN L250 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_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2508,2521] [2024-11-21 00:44:35,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 00:44:35,840 INFO L204 MainTranslator]: Completed translation [2024-11-21 00:44:35,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35 WrapperNode [2024-11-21 00:44:35,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 00:44:35,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 00:44:35,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 00:44:35,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 00:44:35,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,883 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 189 [2024-11-21 00:44:35,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 00:44:35,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 00:44:35,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 00:44:35,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 00:44:35,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,902 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 00:44:35,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 00:44:35,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 00:44:35,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 00:44:35,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (1/1) ... [2024-11-21 00:44:35,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 00:44:35,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:35,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 00:44:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 00:44:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 00:44:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 00:44:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 00:44:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 00:44:35,979 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 00:44:36,099 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 00:44:36,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 00:44:36,536 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 00:44:36,536 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 00:44:36,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 00:44:36,846 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-21 00:44:36,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:44:36 BoogieIcfgContainer [2024-11-21 00:44:36,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 00:44:36,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 00:44:36,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 00:44:36,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 00:44:36,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:44:35" (1/3) ... [2024-11-21 00:44:36,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ba8b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:44:36, skipping insertion in model container [2024-11-21 00:44:36,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:44:35" (2/3) ... [2024-11-21 00:44:36,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ba8b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:44:36, skipping insertion in model container [2024-11-21 00:44:36,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:44:36" (3/3) ... [2024-11-21 00:44:36,857 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2024-11-21 00:44:36,874 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 00:44:36,876 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-array-int-symm.wvr.c that has 3 procedures, 23 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-21 00:44:36,876 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 00:44:36,943 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 00:44:36,993 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 00:44:36,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 00:44:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:36,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 00:44:36,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 00:44:37,093 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 00:44:37,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 00:44:37,112 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71f2a08e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 00:44:37,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 00:44:37,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:37,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:37,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1355399127, now seen corresponding path program 1 times [2024-11-21 00:44:37,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:37,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493730641] [2024-11-21 00:44:37,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:37,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:44:37,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:37,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493730641] [2024-11-21 00:44:37,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493730641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:44:37,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:44:37,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 00:44:37,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201464403] [2024-11-21 00:44:37,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:44:37,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 00:44:37,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:38,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 00:44:38,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 00:44:38,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:38,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:38,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-21 00:44:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:38,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:38,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 00:44:38,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:38,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:38,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1355548433, now seen corresponding path program 1 times [2024-11-21 00:44:38,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:38,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445738971] [2024-11-21 00:44:38,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:38,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:38,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 00:44:38,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:38,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445738971] [2024-11-21 00:44:38,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445738971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:44:38,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:44:38,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 00:44:38,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211767333] [2024-11-21 00:44:38,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:44:38,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 00:44:38,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:38,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 00:44:38,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-21 00:44:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:38,471 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:38,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-21 00:44:38,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:38,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:38,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 00:44:38,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:38,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:38,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1346850553, now seen corresponding path program 1 times [2024-11-21 00:44:38,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:38,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262906346] [2024-11-21 00:44:38,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:38,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 00:44:38,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:38,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262906346] [2024-11-21 00:44:38,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262906346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:38,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089688664] [2024-11-21 00:44:38,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:38,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:38,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:38,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 00:44:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:38,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 00:44:38,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 00:44:39,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 00:44:39,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089688664] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:39,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:39,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 16 [2024-11-21 00:44:39,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976023743] [2024-11-21 00:44:39,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:39,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-21 00:44:39,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:39,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-21 00:44:39,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-21 00:44:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:39,348 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:39,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:44:39,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:39,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:39,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:39,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 00:44:39,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:39,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:39,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:39,826 INFO L85 PathProgramCache]: Analyzing trace with hash 350942249, now seen corresponding path program 2 times [2024-11-21 00:44:39,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:39,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090346564] [2024-11-21 00:44:39,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 00:44:40,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:40,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090346564] [2024-11-21 00:44:40,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090346564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:44:40,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 00:44:40,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-21 00:44:40,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658257584] [2024-11-21 00:44:40,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:44:40,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 00:44:40,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:40,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 00:44:40,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-21 00:44:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:40,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:40,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 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) [2024-11-21 00:44:40,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:40,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:40,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:40,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:41,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 00:44:41,039 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:41,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:41,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2097592275, now seen corresponding path program 1 times [2024-11-21 00:44:41,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:41,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586228352] [2024-11-21 00:44:41,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:41,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 00:44:41,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:41,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586228352] [2024-11-21 00:44:41,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586228352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:41,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728638378] [2024-11-21 00:44:41,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:41,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:41,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:41,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:41,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 00:44:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:41,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 00:44:41,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 00:44:41,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 00:44:42,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728638378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:42,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:42,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 22 [2024-11-21 00:44:42,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539161742] [2024-11-21 00:44:42,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:42,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-21 00:44:42,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:42,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-21 00:44:42,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-11-21 00:44:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:42,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:42,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1363636363636362) internal successors, (69), 22 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) [2024-11-21 00:44:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:42,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 00:44:42,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:42,449 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:42,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:42,450 INFO L85 PathProgramCache]: Analyzing trace with hash -364594435, now seen corresponding path program 2 times [2024-11-21 00:44:42,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:42,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384551089] [2024-11-21 00:44:42,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:42,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 00:44:43,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:43,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384551089] [2024-11-21 00:44:43,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384551089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:43,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538036905] [2024-11-21 00:44:43,673 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:44:43,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:43,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:43,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:43,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 00:44:43,816 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 00:44:43,816 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:44:43,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 00:44:43,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:44,096 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-21 00:44:44,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2024-11-21 00:44:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 00:44:44,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:44,267 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-11-21 00:44:44,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-11-21 00:44:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-21 00:44:44,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538036905] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:44,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:44,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 8] total 23 [2024-11-21 00:44:44,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695538532] [2024-11-21 00:44:44,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:44,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 00:44:44,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:44,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 00:44:44,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2024-11-21 00:44:44,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:44,384 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:44,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 23 states have internal predecessors, (53), 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) [2024-11-21 00:44:44,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:44,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:45,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:45,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-21 00:44:45,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 00:44:45,407 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:45,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:45,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1392064906, now seen corresponding path program 1 times [2024-11-21 00:44:45,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:45,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476579285] [2024-11-21 00:44:45,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 00:44:45,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:45,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476579285] [2024-11-21 00:44:45,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476579285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:45,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823300791] [2024-11-21 00:44:45,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:45,751 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 00:44:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:45,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 00:44:45,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 00:44:46,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 00:44:46,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823300791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:46,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:46,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 29 [2024-11-21 00:44:46,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199520089] [2024-11-21 00:44:46,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:46,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 00:44:46,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:46,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 00:44:46,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2024-11-21 00:44:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:46,513 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:46,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 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) [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:46,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 00:44:47,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-21 00:44:47,009 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:47,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash 686048070, now seen corresponding path program 2 times [2024-11-21 00:44:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:47,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821628755] [2024-11-21 00:44:47,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:47,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 00:44:47,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:47,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821628755] [2024-11-21 00:44:47,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821628755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:47,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990071004] [2024-11-21 00:44:47,364 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:44:47,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:47,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:47,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:47,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 00:44:47,500 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 00:44:47,501 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:44:47,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 00:44:47,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:47,846 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 00:44:47,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 00:44:48,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990071004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:48,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:48,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 34 [2024-11-21 00:44:48,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387226202] [2024-11-21 00:44:48,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:48,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-21 00:44:48,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:48,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-21 00:44:48,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 00:44:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:48,190 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:48,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.6470588235294117) internal successors, (90), 34 states have internal predecessors, (90), 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) [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:48,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 00:44:48,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-21 00:44:48,691 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:48,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1171539574, now seen corresponding path program 3 times [2024-11-21 00:44:48,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:48,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054972130] [2024-11-21 00:44:48,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 00:44:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054972130] [2024-11-21 00:44:49,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054972130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:49,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564912480] [2024-11-21 00:44:49,322 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 00:44:49,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:49,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:49,324 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:49,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 00:44:49,463 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-21 00:44:49,464 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:44:49,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 00:44:49,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-21 00:44:49,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-21 00:44:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564912480] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:49,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 00:44:49,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17, 11] total 32 [2024-11-21 00:44:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309553783] [2024-11-21 00:44:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:44:49,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 00:44:49,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:49,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 00:44:49,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=873, Unknown=0, NotChecked=0, Total=992 [2024-11-21 00:44:49,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:49,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:49,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-11-21 00:44:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:49,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:50,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:50,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 00:44:50,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-21 00:44:50,463 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:50,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:50,464 INFO L85 PathProgramCache]: Analyzing trace with hash 760408495, now seen corresponding path program 1 times [2024-11-21 00:44:50,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:50,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291609905] [2024-11-21 00:44:50,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:50,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 00:44:50,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:50,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291609905] [2024-11-21 00:44:50,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291609905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:50,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806541005] [2024-11-21 00:44:50,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:50,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:50,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:51,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-21 00:44:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:51,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 00:44:51,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:44:51,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:44:52,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806541005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:52,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:52,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 48 [2024-11-21 00:44:52,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857855411] [2024-11-21 00:44:52,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:52,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-21 00:44:52,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:52,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-21 00:44:52,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=1896, Unknown=0, NotChecked=0, Total=2352 [2024-11-21 00:44:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:52,388 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:52,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.122448979591837) internal successors, (104), 48 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) [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:52,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:53,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:53,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:53,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 00:44:53,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-21 00:44:53,449 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:53,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:53,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1388912215, now seen corresponding path program 3 times [2024-11-21 00:44:53,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:53,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237507957] [2024-11-21 00:44:53,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 00:44:53,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:53,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237507957] [2024-11-21 00:44:53,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237507957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135384907] [2024-11-21 00:44:53,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 00:44:53,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:53,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:53,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:53,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-21 00:44:54,238 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-21 00:44:54,238 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:44:54,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 00:44:54,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 00:44:54,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 00:44:55,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135384907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:55,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:55,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 40 [2024-11-21 00:44:55,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974302122] [2024-11-21 00:44:55,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:55,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-21 00:44:55,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:55,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-21 00:44:55,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1307, Unknown=0, NotChecked=0, Total=1560 [2024-11-21 00:44:55,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:55,057 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:55,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:55,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:44:55,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 00:44:55,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:55,511 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:55,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:55,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1089697497, now seen corresponding path program 4 times [2024-11-21 00:44:55,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:55,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534241054] [2024-11-21 00:44:55,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:55,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 00:44:55,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:55,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534241054] [2024-11-21 00:44:55,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534241054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:55,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066100745] [2024-11-21 00:44:55,935 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 00:44:55,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:55,938 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:55,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-21 00:44:56,096 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 00:44:56,097 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:44:56,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 00:44:56,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 00:44:56,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-21 00:44:56,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066100745] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:56,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:56,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 38 [2024-11-21 00:44:56,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842873977] [2024-11-21 00:44:56,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:56,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-21 00:44:56,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:56,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-21 00:44:56,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=1117, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 00:44:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:56,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:56,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.5384615384615383) internal successors, (99), 38 states have internal predecessors, (99), 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) [2024-11-21 00:44:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:56,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:44:56,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:44:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:57,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 00:44:57,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:57,375 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:44:57,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:44:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash 896769473, now seen corresponding path program 5 times [2024-11-21 00:44:57,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:44:57,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479444261] [2024-11-21 00:44:57,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:44:57,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:44:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:44:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 34 proven. 39 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 00:44:57,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:44:57,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479444261] [2024-11-21 00:44:57,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479444261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:44:57,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922312497] [2024-11-21 00:44:57,800 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 00:44:57,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:44:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:44:57,802 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:44:57,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-21 00:44:59,003 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-21 00:44:59,003 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:44:59,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 00:44:59,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:44:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 00:44:59,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:44:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 52 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 00:44:59,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922312497] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:44:59,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:44:59,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 39 [2024-11-21 00:44:59,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455618717] [2024-11-21 00:44:59,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:44:59,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-21 00:44:59,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:44:59,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-21 00:44:59,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=1117, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 00:44:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:59,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:44:59,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.5384615384615383) internal successors, (99), 39 states have internal predecessors, (99), 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) [2024-11-21 00:44:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:59,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:44:59,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:44:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:44:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:44:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:44:59,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:44:59,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 00:45:00,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:00,168 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:00,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:00,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1755127383, now seen corresponding path program 6 times [2024-11-21 00:45:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:00,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829825913] [2024-11-21 00:45:00,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-21 00:45:01,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:01,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829825913] [2024-11-21 00:45:01,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829825913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:01,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846874938] [2024-11-21 00:45:01,663 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 00:45:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:01,666 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:01,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-21 00:45:02,057 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-21 00:45:02,057 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:02,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-21 00:45:02,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:02,650 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 00:45:02,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2024-11-21 00:45:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 00:45:02,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:02,803 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-11-21 00:45:02,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-11-21 00:45:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-21 00:45:02,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846874938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:02,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:02,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 8] total 36 [2024-11-21 00:45:02,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632725730] [2024-11-21 00:45:02,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:02,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 00:45:02,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:02,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 00:45:02,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1127, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 00:45:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:02,933 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:02,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.25) internal successors, (81), 36 states have internal predecessors, (81), 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) [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:04,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:04,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-21 00:45:04,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:04,999 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:04,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:04,999 INFO L85 PathProgramCache]: Analyzing trace with hash 540841227, now seen corresponding path program 7 times [2024-11-21 00:45:04,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:04,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440065528] [2024-11-21 00:45:04,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:05,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-21 00:45:06,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:06,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440065528] [2024-11-21 00:45:06,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440065528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:06,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214142194] [2024-11-21 00:45:06,598 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 00:45:06,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:06,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:06,600 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:06,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-21 00:45:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:06,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 00:45:06,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:07,385 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-11-21 00:45:07,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 24 [2024-11-21 00:45:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 00:45:07,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:07,722 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-11-21 00:45:07,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 74 [2024-11-21 00:45:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-21 00:45:07,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214142194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:07,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:07,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 8] total 41 [2024-11-21 00:45:07,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000728090] [2024-11-21 00:45:07,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:07,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-21 00:45:07,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:07,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-21 00:45:07,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1515, Unknown=0, NotChecked=0, Total=1640 [2024-11-21 00:45:07,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:07,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:07,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.1951219512195124) internal successors, (90), 41 states have internal predecessors, (90), 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) [2024-11-21 00:45:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:07,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:07,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:11,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-21 00:45:11,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:11,862 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:11,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1214209690, now seen corresponding path program 4 times [2024-11-21 00:45:11,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:11,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938969614] [2024-11-21 00:45:11,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-21 00:45:12,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:12,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938969614] [2024-11-21 00:45:12,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938969614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:12,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155734114] [2024-11-21 00:45:12,428 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 00:45:12,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:12,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:12,431 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:12,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-21 00:45:12,603 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 00:45:12,603 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:12,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-21 00:45:12,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-21 00:45:13,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-21 00:45:13,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155734114] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:13,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:13,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 6] total 39 [2024-11-21 00:45:13,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636008737] [2024-11-21 00:45:13,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:13,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-21 00:45:13,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:13,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-21 00:45:13,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1303, Unknown=0, NotChecked=0, Total=1482 [2024-11-21 00:45:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:13,319 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:13,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.7435897435897436) internal successors, (107), 39 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:45:13,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:13,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:13,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:13,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:14,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-21 00:45:15,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-21 00:45:15,068 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:15,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1783813566, now seen corresponding path program 1 times [2024-11-21 00:45:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:15,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350568736] [2024-11-21 00:45:15,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 107 proven. 41 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-21 00:45:15,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350568736] [2024-11-21 00:45:15,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350568736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:15,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397038888] [2024-11-21 00:45:15,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:15,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:15,579 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:15,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-21 00:45:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:15,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-21 00:45:15,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-21 00:45:16,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-21 00:45:16,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397038888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:16,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:16,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 43 [2024-11-21 00:45:16,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254016149] [2024-11-21 00:45:16,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:16,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-21 00:45:16,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:16,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-21 00:45:16,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=1432, Unknown=0, NotChecked=0, Total=1892 [2024-11-21 00:45:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:16,644 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:16,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.6363636363636362) internal successors, (116), 43 states have internal predecessors, (116), 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) [2024-11-21 00:45:16,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:16,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:16,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:16,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:16,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:16,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:16,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:16,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:16,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-21 00:45:16,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-21 00:45:16,986 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:16,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:16,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1429529814, now seen corresponding path program 2 times [2024-11-21 00:45:16,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:16,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750735975] [2024-11-21 00:45:16,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:16,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 93 proven. 65 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-21 00:45:17,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:17,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750735975] [2024-11-21 00:45:17,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750735975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:17,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270463508] [2024-11-21 00:45:17,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:45:17,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:17,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:17,540 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:17,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-21 00:45:17,743 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 00:45:17,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:17,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 00:45:17,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 121 proven. 36 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 00:45:18,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 121 proven. 36 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-21 00:45:18,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270463508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:18,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:18,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 59 [2024-11-21 00:45:18,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907842994] [2024-11-21 00:45:18,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:18,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-21 00:45:18,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:18,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-21 00:45:18,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=521, Invalid=2901, Unknown=0, NotChecked=0, Total=3422 [2024-11-21 00:45:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:18,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:18,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 2.7966101694915255) internal successors, (165), 59 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:18,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:19,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:19,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:19,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-21 00:45:19,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-21 00:45:19,413 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:19,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1595473318, now seen corresponding path program 3 times [2024-11-21 00:45:19,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:19,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731323234] [2024-11-21 00:45:19,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:19,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 93 proven. 74 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 00:45:19,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:19,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731323234] [2024-11-21 00:45:19,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731323234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:19,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993236554] [2024-11-21 00:45:19,978 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 00:45:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:19,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:19,980 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:19,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-21 00:45:20,911 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-21 00:45:20,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:20,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 00:45:20,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 122 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 00:45:21,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 122 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-21 00:45:22,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993236554] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:22,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:22,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 53 [2024-11-21 00:45:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19762765] [2024-11-21 00:45:22,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:22,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-21 00:45:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:22,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-21 00:45:22,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=683, Invalid=2179, Unknown=0, NotChecked=0, Total=2862 [2024-11-21 00:45:22,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:22,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:22,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.4074074074074074) internal successors, (130), 53 states have internal predecessors, (130), 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) [2024-11-21 00:45:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:22,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:22,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:22,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:22,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-21 00:45:22,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:22,579 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:22,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:22,579 INFO L85 PathProgramCache]: Analyzing trace with hash 137136242, now seen corresponding path program 4 times [2024-11-21 00:45:22,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:22,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570019350] [2024-11-21 00:45:22,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:22,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 93 proven. 74 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:23,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:23,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570019350] [2024-11-21 00:45:23,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570019350] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:23,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414855333] [2024-11-21 00:45:23,122 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 00:45:23,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:23,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:23,125 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:23,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-21 00:45:23,304 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 00:45:23,305 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:23,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-21 00:45:23,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-21 00:45:23,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-21 00:45:24,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414855333] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:24,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 00:45:24,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [23, 22] total 48 [2024-11-21 00:45:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716148268] [2024-11-21 00:45:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:45:24,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 00:45:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:24,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 00:45:24,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=2016, Unknown=0, NotChecked=0, Total=2256 [2024-11-21 00:45:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:24,158 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:24,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:24,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:24,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:24,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:24,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-21 00:45:24,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:24,595 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:24,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash -2072828253, now seen corresponding path program 2 times [2024-11-21 00:45:24,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:24,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692034387] [2024-11-21 00:45:24,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:25,404 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-21 00:45:25,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:25,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692034387] [2024-11-21 00:45:25,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692034387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:25,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611546305] [2024-11-21 00:45:25,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:45:25,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:25,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:25,407 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-21 00:45:25,581 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 00:45:25,581 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:25,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 00:45:25,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-21 00:45:25,699 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 00:45:25,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611546305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 00:45:25,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 00:45:25,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [25] total 28 [2024-11-21 00:45:25,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136085428] [2024-11-21 00:45:25,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:45:25,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 00:45:25,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:25,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 00:45:25,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2024-11-21 00:45:25,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:25,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:25,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:25,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:25,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-21 00:45:26,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:26,025 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:26,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1866963184, now seen corresponding path program 5 times [2024-11-21 00:45:26,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:26,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680560292] [2024-11-21 00:45:26,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:26,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 64 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:27,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:27,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680560292] [2024-11-21 00:45:27,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680560292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:27,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578683911] [2024-11-21 00:45:27,094 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 00:45:27,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:27,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:27,096 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:27,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-21 00:45:29,613 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-21 00:45:29,613 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:29,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-21 00:45:29,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 81 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:30,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 100 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:32,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578683911] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:32,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:32,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 90 [2024-11-21 00:45:32,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106667411] [2024-11-21 00:45:32,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:32,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-11-21 00:45:32,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:32,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-11-21 00:45:32,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1577, Invalid=6613, Unknown=0, NotChecked=0, Total=8190 [2024-11-21 00:45:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:32,078 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:32,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 2.076923076923077) internal successors, (189), 90 states have internal predecessors, (189), 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) [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:32,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:33,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-21 00:45:33,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-21 00:45:33,253 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:33,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1234543220, now seen corresponding path program 6 times [2024-11-21 00:45:33,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001197729] [2024-11-21 00:45:33,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 120 proven. 78 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:33,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:33,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001197729] [2024-11-21 00:45:33,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001197729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:33,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856035101] [2024-11-21 00:45:33,838 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 00:45:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:33,840 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:33,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-21 00:45:35,031 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-21 00:45:35,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:35,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-21 00:45:35,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 153 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:35,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 153 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:36,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856035101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:36,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:36,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-11-21 00:45:36,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110516154] [2024-11-21 00:45:36,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:36,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-21 00:45:36,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:36,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-21 00:45:36,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=683, Invalid=2179, Unknown=0, NotChecked=0, Total=2862 [2024-11-21 00:45:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:36,316 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:36,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.4814814814814814) internal successors, (134), 54 states have internal predecessors, (134), 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) [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:36,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:36,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:36,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:36,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-21 00:45:36,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-21 00:45:36,631 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:36,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:36,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1437527620, now seen corresponding path program 7 times [2024-11-21 00:45:36,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:36,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423804589] [2024-11-21 00:45:36,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:36,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 72 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:37,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:37,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423804589] [2024-11-21 00:45:37,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423804589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:37,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008303856] [2024-11-21 00:45:37,699 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 00:45:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:37,702 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:37,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-21 00:45:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:37,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-21 00:45:37,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 90 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:39,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:39,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008303856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:39,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:39,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 86 [2024-11-21 00:45:39,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539206144] [2024-11-21 00:45:39,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:39,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-11-21 00:45:39,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:39,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-11-21 00:45:39,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1499, Invalid=5983, Unknown=0, NotChecked=0, Total=7482 [2024-11-21 00:45:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:39,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:39,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 1.9310344827586208) internal successors, (168), 86 states have internal predecessors, (168), 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) [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:39,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 00:45:40,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-21 00:45:40,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-21 00:45:40,912 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:40,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:40,912 INFO L85 PathProgramCache]: Analyzing trace with hash -2120078656, now seen corresponding path program 8 times [2024-11-21 00:45:40,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:40,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693477796] [2024-11-21 00:45:40,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:40,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 153 proven. 92 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:41,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693477796] [2024-11-21 00:45:41,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693477796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:41,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494317789] [2024-11-21 00:45:41,581 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 00:45:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:41,583 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:41,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-21 00:45:41,831 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 00:45:41,831 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:41,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 00:45:41,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 190 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:42,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 190 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-21 00:45:43,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494317789] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:43,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:43,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 25] total 70 [2024-11-21 00:45:43,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488839393] [2024-11-21 00:45:43,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:43,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-21 00:45:43,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:43,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-21 00:45:43,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=733, Invalid=4097, Unknown=0, NotChecked=0, Total=4830 [2024-11-21 00:45:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:43,393 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:43,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.7285714285714286) internal successors, (191), 70 states have internal predecessors, (191), 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) [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:43,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:43,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 00:45:43,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:43,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 00:45:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:43,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-21 00:45:43,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-21 00:45:43,847 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:43,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:43,847 INFO L85 PathProgramCache]: Analyzing trace with hash 254222832, now seen corresponding path program 9 times [2024-11-21 00:45:43,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:43,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731385307] [2024-11-21 00:45:43,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 90 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 00:45:44,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:44,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731385307] [2024-11-21 00:45:44,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731385307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:44,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76876802] [2024-11-21 00:45:44,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 00:45:44,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:44,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:44,973 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:44,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-21 00:45:46,664 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-21 00:45:46,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:46,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-21 00:45:46,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 55 proven. 201 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 00:45:48,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 66 proven. 190 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 00:45:49,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76876802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 00:45:49,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 00:45:49,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 107 [2024-11-21 00:45:49,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739423941] [2024-11-21 00:45:49,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 00:45:49,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-11-21 00:45:49,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:49,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-11-21 00:45:49,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1354, Invalid=9988, Unknown=0, NotChecked=0, Total=11342 [2024-11-21 00:45:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:49,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:49,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 1.925233644859813) internal successors, (206), 107 states have internal predecessors, (206), 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) [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:49,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:49,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:49,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 00:45:49,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:49,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-21 00:45:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-21 00:45:52,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-21 00:45:52,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-21 00:45:52,981 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 00:45:52,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 00:45:52,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1757370260, now seen corresponding path program 10 times [2024-11-21 00:45:52,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 00:45:52,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492555631] [2024-11-21 00:45:52,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 00:45:52,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 00:45:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 00:45:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 190 proven. 107 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-21 00:45:53,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 00:45:53,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492555631] [2024-11-21 00:45:53,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492555631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:53,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984775165] [2024-11-21 00:45:53,595 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 00:45:53,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 00:45:53,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 [2024-11-21 00:45:53,597 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 00:45:53,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-21 00:45:53,820 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 00:45:53,820 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 00:45:53,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-21 00:45:53,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 00:45:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-21 00:45:54,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 00:45:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-21 00:45:54,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984775165] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 00:45:54,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 00:45:54,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [26, 27] total 55 [2024-11-21 00:45:54,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706958627] [2024-11-21 00:45:54,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 00:45:54,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 00:45:54,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 00:45:54,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 00:45:54,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=2680, Unknown=0, NotChecked=0, Total=2970 [2024-11-21 00:45:54,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:45:54,730 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 00:45:54,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-11-21 00:45:54,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:54,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 00:45:54,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:54,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:54,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-21 00:45:54,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-11-21 00:45:54,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 00:46:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 00:46:33,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 00:46:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-21 00:46:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 00:46:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 00:46:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-21 00:46:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-11-21 00:46:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 00:46:33,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-21 00:46:33,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-21 00:46:33,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-21 00:46:33,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-21 00:46:33,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-21 00:46:33,765 INFO L422 BasicCegarLoop]: Path program histogram: [10, 7, 4, 2, 2, 1, 1] [2024-11-21 00:46:33,768 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 00:46:33,768 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 00:46:33,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-21 00:46:33,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:46:33 BasicIcfg [2024-11-21 00:46:33,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 00:46:33,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 00:46:33,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 00:46:33,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 00:46:33,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:44:36" (3/4) ... [2024-11-21 00:46:33,794 INFO L144 WitnessPrinter]: Generating witness for correct program [2024-11-21 00:46:33,798 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-21 00:46:33,799 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-21 00:46:33,810 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2024-11-21 00:46:33,810 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-21 00:46:33,810 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-21 00:46:33,811 INFO L901 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-21 00:46:33,907 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/witness.graphml [2024-11-21 00:46:33,907 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/witness.yml [2024-11-21 00:46:33,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 00:46:33,908 INFO L158 Benchmark]: Toolchain (without parser) took 118364.48ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 119.7MB in the beginning and 343.6MB in the end (delta: -223.8MB). Peak memory consumption was 500.0MB. Max. memory is 16.1GB. [2024-11-21 00:46:33,909 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:46:33,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.98ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 107.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 00:46:33,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.13ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:46:33,910 INFO L158 Benchmark]: Boogie Preprocessor took 32.92ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 00:46:33,910 INFO L158 Benchmark]: RCFGBuilder took 928.66ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.5MB in the end (delta: 3.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-21 00:46:33,910 INFO L158 Benchmark]: TraceAbstraction took 116941.09ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 99.9MB in the beginning and 348.1MB in the end (delta: -248.2MB). Peak memory consumption was 486.7MB. Max. memory is 16.1GB. [2024-11-21 00:46:33,911 INFO L158 Benchmark]: Witness Printer took 116.23ms. Allocated memory is still 872.4MB. Free memory was 348.1MB in the beginning and 343.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 00:46:33,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.98ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 107.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.13ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.92ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 928.66ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 100.5MB in the end (delta: 3.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 116941.09ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 99.9MB in the beginning and 348.1MB in the end (delta: -248.2MB). Peak memory consumption was 486.7MB. Max. memory is 16.1GB. * Witness Printer took 116.23ms. Allocated memory is still 872.4MB. Free memory was 348.1MB in the beginning and 343.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 146035, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 20363, dependent conditional: 20361, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 0, independent unconditional: 125672, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 0, independent unconditional: 125672, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 125674, independent: 125458, independent conditional: 0, independent unconditional: 125458, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 125416, Maximal queried relation: 0, Independence queries for same thread: 20361, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 54, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, independent: 256, independent conditional: 0, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 146035, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 20363, dependent conditional: 20361, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 125416, independent unconditional: 256, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 0, independent unconditional: 125672, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 125674, independent: 125672, independent conditional: 0, independent unconditional: 125672, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 216, independent: 213, independent conditional: 0, independent unconditional: 213, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 125674, independent: 125458, independent conditional: 0, independent unconditional: 125458, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 216, unknown conditional: 0, unknown unconditional: 216] , Statistics on independence cache: Total cache size (in pairs): 216, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 125416, Maximal queried relation: 0, Independence queries for same thread: 20361 - PositiveResult [Line: 92]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 116.7s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 56.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1094, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 8.9s SatisfiabilityAnalysisTime, 42.8s InterpolantComputationTime, 2808 NumberOfCodeBlocks, 2689 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 4034 ConstructedInterpolants, 0 QuantifiedInterpolants, 23022 SizeOfPredicates, 133 NumberOfNonLiveVariables, 9091 ConjunctsInSsa, 547 ConjunctsInUnsatCore, 74 InterpolantComputations, 7 PerfectInterpolantSequences, 6863/10556 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 00:46:33,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cf6bdc1-8e27-4aa8-95dd-4fbd36fc284a/bin/ugemcutter-verify-jAHUagO94Y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE