./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX --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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:21:12,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:21:12,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:21:12,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:21:12,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:21:12,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:21:12,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:21:12,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:21:12,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:21:12,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:21:12,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:21:12,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:21:12,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:21:12,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:21:12,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:21:12,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:21:12,192 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:21:12,192 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_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX 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 -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 [2024-12-05 08:21:12,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:21:12,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:21:12,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:21:12,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:21:12,431 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:21:12,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2024-12-05 08:21:15,085 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/data/8075d743b/07123f66a65c46d29b28f4bd591f601f/FLAG46160473c [2024-12-05 08:21:15,281 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:21:15,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2024-12-05 08:21:15,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/data/8075d743b/07123f66a65c46d29b28f4bd591f601f/FLAG46160473c [2024-12-05 08:21:15,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/data/8075d743b/07123f66a65c46d29b28f4bd591f601f [2024-12-05 08:21:15,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:21:15,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:21:15,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:21:15,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:21:15,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:21:15,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f60ce9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15, skipping insertion in model container [2024-12-05 08:21:15,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:21:15,484 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_3d4be900-6edc-4a75-a59a-ffb0557f7654/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2024-12-05 08:21:15,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:21:15,506 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:21:15,527 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_3d4be900-6edc-4a75-a59a-ffb0557f7654/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2024-12-05 08:21:15,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:21:15,547 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:21:15,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15 WrapperNode [2024-12-05 08:21:15,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:21:15,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:21:15,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:21:15,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:21:15,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,591 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 259 [2024-12-05 08:21:15,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:21:15,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:21:15,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:21:15,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:21:15,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:21:15,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:21:15,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:21:15,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:21:15,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (1/1) ... [2024-12-05 08:21:15,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:21:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:15,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:21:15,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:21:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:21:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 08:21:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 08:21:15,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 08:21:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 08:21:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:21:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:21:15,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:21:15,693 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 08:21:15,780 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:21:15,782 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:21:16,146 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:21:16,146 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:21:16,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:21:16,420 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 08:21:16,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:21:16 BoogieIcfgContainer [2024-12-05 08:21:16,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:21:16,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:21:16,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:21:16,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:21:16,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:21:15" (1/3) ... [2024-12-05 08:21:16,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35291ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:21:16, skipping insertion in model container [2024-12-05 08:21:16,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:21:15" (2/3) ... [2024-12-05 08:21:16,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35291ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:21:16, skipping insertion in model container [2024-12-05 08:21:16,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:21:16" (3/3) ... [2024-12-05 08:21:16,428 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-12-05 08:21:16,439 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:21:16,440 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum2.wvr.c that has 4 procedures, 31 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-12-05 08:21:16,441 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:21:16,490 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-05 08:21:16,528 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:21:16,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:21:16,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:16,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:21:16,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:21:16,618 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:21:16,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 08:21:16,636 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;@26d59736, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:21:16,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-05 08:21:17,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:17,018 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:17,018 INFO L139 ounterexampleChecker]: Examining path program with hash -872933812, occurence #1 [2024-12-05 08:21:17,018 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:21:17,018 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:17,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash -824883448, now seen corresponding path program 1 times [2024-12-05 08:21:17,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:17,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952903970] [2024-12-05 08:21:17,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:17,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:21:17,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952903970] [2024-12-05 08:21:17,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952903970] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:21:17,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:21:17,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:21:17,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387998076] [2024-12-05 08:21:17,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:21:17,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 08:21:17,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:17,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 08:21:17,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 08:21:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:17,511 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:17,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-12-05 08:21:17,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:17,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:21:17,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:17,630 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:17,630 INFO L139 ounterexampleChecker]: Examining path program with hash -872933812, occurence #2 [2024-12-05 08:21:17,630 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:17,630 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:17,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:17,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-05 08:21:17,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:17,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 08:21:17,643 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:17,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 08:21:17,644 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:17,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:21:17,644 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:17,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 08:21:17,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:17,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1078758304, now seen corresponding path program 1 times [2024-12-05 08:21:17,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:21:17,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030518687] [2024-12-05 08:21:17,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:17,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:21:17,983 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:21:17,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030518687] [2024-12-05 08:21:17,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030518687] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:17,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1816011542] [2024-12-05 08:21:17,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:17,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:18,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:21:18,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:21:18,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1816011542] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:18,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:21:18,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-05 08:21:18,137 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:21:18,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:21:18,137 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:18,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:21:18,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:18,137 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:18,137 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:18,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:18,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1765506160, now seen corresponding path program 1 times [2024-12-05 08:21:18,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:18,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033235204] [2024-12-05 08:21:18,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:21:18,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033235204] [2024-12-05 08:21:18,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033235204] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700650372] [2024-12-05 08:21:18,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:18,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:18,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:21:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:18,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:21:18,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:21:18,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 08:21:18,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700650372] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:18,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:18,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-12-05 08:21:18,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071724690] [2024-12-05 08:21:18,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:18,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-05 08:21:18,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:18,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-05 08:21:18,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-05 08:21:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:18,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:18,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:21:18,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:18,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:18,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:21:19,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-12-05 08:21:19,171 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:19,171 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:19,171 INFO L139 ounterexampleChecker]: Examining path program with hash -872933812, occurence #3 [2024-12-05 08:21:19,171 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:19,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:19,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:19,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 08:21:19,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:19,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:21:19,172 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:19,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 08:21:19,172 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:19,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:21:19,172 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:19,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:21:19,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:19,243 INFO L85 PathProgramCache]: Analyzing trace with hash -4371621, now seen corresponding path program 1 times [2024-12-05 08:21:19,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:21:19,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222540998] [2024-12-05 08:21:19,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:21:19,442 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:21:19,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222540998] [2024-12-05 08:21:19,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222540998] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:19,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1261068895] [2024-12-05 08:21:19,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:21:19,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:19,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 08:21:19,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:21:19,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1261068895] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:19,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:21:19,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-12-05 08:21:19,585 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:21:19,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 08:21:19,585 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:19,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:21:19,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:19,585 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:19,585 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:19,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:19,586 INFO L85 PathProgramCache]: Analyzing trace with hash -566530232, now seen corresponding path program 2 times [2024-12-05 08:21:19,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:19,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019054697] [2024-12-05 08:21:19,586 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:21:19,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:19,610 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:21:19,611 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 08:21:19,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:19,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019054697] [2024-12-05 08:21:19,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019054697] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:21:19,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:21:19,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-05 08:21:19,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763891199] [2024-12-05 08:21:19,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:21:19,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 08:21:19,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:19,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 08:21:19,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-05 08:21:19,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:19,778 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:19,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2024-12-05 08:21:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:19,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:19,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-12-05 08:21:19,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:19,993 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:19,993 INFO L139 ounterexampleChecker]: Examining path program with hash 2127486031, occurence #1 [2024-12-05 08:21:19,993 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:21:19,993 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:19,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1656164447, now seen corresponding path program 3 times [2024-12-05 08:21:19,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:19,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399454897] [2024-12-05 08:21:19,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:21:19,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:20,076 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 08:21:20,076 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:21:20,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:20,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399454897] [2024-12-05 08:21:20,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399454897] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:20,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357320305] [2024-12-05 08:21:20,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:21:20,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:20,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:20,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:20,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:21:20,433 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 08:21:20,434 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:20,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 08:21:20,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:21:20,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:21:20,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357320305] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:20,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:20,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-12-05 08:21:20,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532187725] [2024-12-05 08:21:20,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:20,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-05 08:21:20,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:20,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-05 08:21:20,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-12-05 08:21:20,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:20,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:20,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 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) [2024-12-05 08:21:20,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:20,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:20,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:20,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:21,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:21:21,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-05 08:21:21,256 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:21,256 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:21,256 INFO L139 ounterexampleChecker]: Examining path program with hash 2127486031, occurence #2 [2024-12-05 08:21:21,256 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:21,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:21,256 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:21,256 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 08:21:21,256 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:21,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:21:21,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:21,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:21:21,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:21,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 08:21:21,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:21,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-05 08:21:21,257 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:21,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-05 08:21:21,257 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:21,257 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:21,257 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:21,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:21,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1243293855, now seen corresponding path program 4 times [2024-12-05 08:21:21,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:21,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446742158] [2024-12-05 08:21:21,258 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:21:21,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:21,276 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:21:21,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 08:21:21,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:21,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446742158] [2024-12-05 08:21:21,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446742158] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:21,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810472338] [2024-12-05 08:21:21,339 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:21:21,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:21,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:21,341 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:21,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:21:21,433 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:21:21,433 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:21,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 08:21:21,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 08:21:21,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-05 08:21:21,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810472338] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:21,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:21,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 23 [2024-12-05 08:21:21,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459818957] [2024-12-05 08:21:21,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:21,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-05 08:21:21,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:21,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-05 08:21:21,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2024-12-05 08:21:21,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:21,850 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:21,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.043478260869565) internal successors, (93), 23 states have internal predecessors, (93), 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) [2024-12-05 08:21:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:21,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:23,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:21:23,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:23,243 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:23,243 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:23,243 INFO L139 ounterexampleChecker]: Examining path program with hash 546451177, occurence #1 [2024-12-05 08:21:23,243 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:21:23,243 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:23,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:23,244 INFO L85 PathProgramCache]: Analyzing trace with hash -127527670, now seen corresponding path program 5 times [2024-12-05 08:21:23,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:23,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653559613] [2024-12-05 08:21:23,244 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:23,346 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 08:21:23,346 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 08:21:23,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653559613] [2024-12-05 08:21:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653559613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824903176] [2024-12-05 08:21:23,841 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:23,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:23,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:23,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:23,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:21:24,072 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 08:21:24,072 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:24,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 08:21:24,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 08:21:24,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 08:21:24,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824903176] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:24,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:24,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 29 [2024-12-05 08:21:24,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700462103] [2024-12-05 08:21:24,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:24,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-05 08:21:24,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:24,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-05 08:21:24,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2024-12-05 08:21:24,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:24,493 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:24,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.633333333333334) internal successors, (139), 29 states have internal predecessors, (139), 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) [2024-12-05 08:21:24,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:24,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:24,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:24,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:24,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:24,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:24,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:24,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:21:24,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 08:21:24,823 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:24,823 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:24,824 INFO L139 ounterexampleChecker]: Examining path program with hash 546451177, occurence #2 [2024-12-05 08:21:24,824 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:24,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:24,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:24,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 08:21:24,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:24,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:21:24,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:24,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:21:24,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:24,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:21:24,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:24,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-05 08:21:24,825 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:24,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-05 08:21:24,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:24,825 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:24,825 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:24,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:24,825 INFO L85 PathProgramCache]: Analyzing trace with hash -884319854, now seen corresponding path program 6 times [2024-12-05 08:21:24,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:24,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136813800] [2024-12-05 08:21:24,825 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:21:24,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:24,979 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 08:21:24,979 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 74 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 08:21:25,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136813800] [2024-12-05 08:21:25,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136813800] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142509375] [2024-12-05 08:21:25,445 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:21:25,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:25,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:25,448 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:25,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:21:25,635 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-05 08:21:25,635 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:25,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 08:21:25,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 56 proven. 41 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-05 08:21:26,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-05 08:21:26,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142509375] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:26,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:26,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 42 [2024-12-05 08:21:26,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649377779] [2024-12-05 08:21:26,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:26,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-12-05 08:21:26,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:26,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-12-05 08:21:26,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1418, Unknown=0, NotChecked=0, Total=1722 [2024-12-05 08:21:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:26,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:26,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.190476190476191) internal successors, (176), 42 states have internal predecessors, (176), 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) [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:26,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:26,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:26,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:21:26,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:26,781 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:26,781 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:26,781 INFO L139 ounterexampleChecker]: Examining path program with hash 546451177, occurence #3 [2024-12-05 08:21:26,782 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:26,782 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:21:26,782 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:21:26,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 08:21:26,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 08:21:26,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-05 08:21:26,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:26,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-05 08:21:26,782 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:26,783 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:26,783 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:26,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash 475487562, now seen corresponding path program 7 times [2024-12-05 08:21:26,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:26,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936999834] [2024-12-05 08:21:26,783 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:21:26,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 74 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 08:21:27,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:27,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936999834] [2024-12-05 08:21:27,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936999834] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:27,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000889489] [2024-12-05 08:21:27,336 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:21:27,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:27,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:27,338 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:27,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:21:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:21:27,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 08:21:27,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 66 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 08:21:27,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 08:21:28,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000889489] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:28,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:28,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2024-12-05 08:21:28,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832487921] [2024-12-05 08:21:28,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:28,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-12-05 08:21:28,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:28,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-12-05 08:21:28,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2024-12-05 08:21:28,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:28,328 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:28,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.765957446808511) internal successors, (177), 46 states have internal predecessors, (177), 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) [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:28,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:21:28,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:28,755 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:28,755 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:28,755 INFO L139 ounterexampleChecker]: Examining path program with hash 546451177, occurence #4 [2024-12-05 08:21:28,755 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:28,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:28,755 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:28,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 08:21:28,755 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:28,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 08:21:28,755 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:28,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 08:21:28,755 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:28,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:21:28,756 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:28,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2024-12-05 08:21:28,756 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:28,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-12-05 08:21:28,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:28,756 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:28,756 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:28,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:28,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2097330130, now seen corresponding path program 8 times [2024-12-05 08:21:28,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:28,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003252336] [2024-12-05 08:21:28,757 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:21:28,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:28,814 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:21:28,814 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 43 proven. 71 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 08:21:29,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:29,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003252336] [2024-12-05 08:21:29,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003252336] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:29,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995032636] [2024-12-05 08:21:29,467 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:21:29,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:29,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:29,469 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:21:29,631 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:21:29,631 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:29,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 08:21:29,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-05 08:21:30,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-05 08:21:30,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995032636] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:30,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:30,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 55 [2024-12-05 08:21:30,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167066231] [2024-12-05 08:21:30,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:30,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-12-05 08:21:30,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:30,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-12-05 08:21:30,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=2487, Unknown=0, NotChecked=0, Total=3080 [2024-12-05 08:21:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:30,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:30,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.1785714285714284) internal successors, (178), 55 states have internal predecessors, (178), 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) [2024-12-05 08:21:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:30,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:30,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:31,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:21:31,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-05 08:21:31,206 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:31,206 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:31,206 INFO L139 ounterexampleChecker]: Examining path program with hash 546451177, occurence #5 [2024-12-05 08:21:31,206 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:31,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:31,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:31,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 08:21:31,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:31,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:21:31,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:31,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 08:21:31,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:31,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:21:31,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:31,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-05 08:21:31,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:31,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-05 08:21:31,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:31,207 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:31,207 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:31,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:31,208 INFO L85 PathProgramCache]: Analyzing trace with hash 461227402, now seen corresponding path program 9 times [2024-12-05 08:21:31,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:31,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725132191] [2024-12-05 08:21:31,208 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:21:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:31,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-05 08:21:31,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 21 proven. 101 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 08:21:31,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:31,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725132191] [2024-12-05 08:21:31,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725132191] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:31,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420173277] [2024-12-05 08:21:31,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:21:31,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:31,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:31,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:31,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:21:32,269 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-05 08:21:32,269 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:32,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 08:21:32,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 61 proven. 61 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 08:21:32,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 86 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-05 08:21:33,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420173277] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:33,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:33,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22, 22] total 62 [2024-12-05 08:21:33,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189241207] [2024-12-05 08:21:33,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:33,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-05 08:21:33,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:33,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-05 08:21:33,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=3195, Unknown=0, NotChecked=0, Total=3782 [2024-12-05 08:21:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:33,560 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:33,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 3.5806451612903225) internal successors, (222), 62 states have internal predecessors, (222), 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) [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:33,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:33,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:21:34,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:21:34,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:34,766 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:34,766 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:34,766 INFO L139 ounterexampleChecker]: Examining path program with hash 546451177, occurence #6 [2024-12-05 08:21:34,766 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:21:34,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:21:34,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:34,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 08:21:34,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:34,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:21:34,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:34,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 08:21:34,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:34,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:21:34,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:34,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-12-05 08:21:34,767 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:21:34,767 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-12-05 08:21:34,767 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:21:34,767 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:21:34,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:34,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2471114, now seen corresponding path program 10 times [2024-12-05 08:21:34,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:34,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098024379] [2024-12-05 08:21:34,768 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:21:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:34,792 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:21:34,792 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 238 proven. 77 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-05 08:21:35,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:35,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098024379] [2024-12-05 08:21:35,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098024379] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:35,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074665982] [2024-12-05 08:21:35,077 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:21:35,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:35,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:35,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:21:35,210 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:21:35,210 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:35,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 08:21:35,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:21:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-05 08:21:36,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:21:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 238 proven. 78 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-05 08:21:36,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074665982] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:21:36,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:21:36,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 34, 27] total 73 [2024-12-05 08:21:36,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325343469] [2024-12-05 08:21:36,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:21:36,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-12-05 08:21:36,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:21:36,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-12-05 08:21:36,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1119, Invalid=4137, Unknown=0, NotChecked=0, Total=5256 [2024-12-05 08:21:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:36,915 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:21:36,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.095890410958904) internal successors, (299), 73 states have internal predecessors, (299), 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) [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:36,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:21:36,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:21:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:21:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:21:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:21:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:21:41,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:21:41,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-05 08:21:41,747 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:21:41,748 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:21:41,748 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #1 [2024-12-05 08:21:41,748 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:21:41,748 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:21:41,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:21:41,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1519058687, now seen corresponding path program 11 times [2024-12-05 08:21:41,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:21:41,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436970365] [2024-12-05 08:21:41,749 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:21:42,169 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-12-05 08:21:42,169 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:21:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 690 proven. 55 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-05 08:21:43,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:21:43,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436970365] [2024-12-05 08:21:43,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436970365] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:21:43,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549004033] [2024-12-05 08:21:43,309 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:21:43,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:21:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:21:43,310 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:21:43,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:22:00,830 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-12-05 08:22:00,830 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:00,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 08:22:00,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 667 proven. 55 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 08:22:01,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 667 proven. 55 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 08:22:01,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549004033] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:01,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:01,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 24] total 61 [2024-12-05 08:22:01,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694890419] [2024-12-05 08:22:01,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:01,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-05 08:22:01,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:01,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-05 08:22:01,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=853, Invalid=2929, Unknown=0, NotChecked=0, Total=3782 [2024-12-05 08:22:01,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:01,916 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:01,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.612903225806452) internal successors, (286), 61 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:22:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:01,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:01,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:02,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 08:22:02,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:02,343 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:22:02,343 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:02,343 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #2 [2024-12-05 08:22:02,343 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:22:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:22:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:22:02,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:22:02,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:22:02,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2024-12-05 08:22:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-12-05 08:22:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-12-05 08:22:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-05 08:22:02,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:02,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-12-05 08:22:02,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:02,344 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:02,344 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:02,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:02,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1407523705, now seen corresponding path program 12 times [2024-12-05 08:22:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757684405] [2024-12-05 08:22:02,344 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:22:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:03,458 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-12-05 08:22:03,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 519 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:22:07,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757684405] [2024-12-05 08:22:07,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757684405] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477860548] [2024-12-05 08:22:07,107 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:22:07,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:07,108 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:07,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-05 08:22:09,777 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-12-05 08:22:09,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:09,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 08:22:09,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 689 proven. 66 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-05 08:22:11,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 689 proven. 66 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-05 08:22:12,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477860548] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:12,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:12,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 27, 27] total 123 [2024-12-05 08:22:12,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352277940] [2024-12-05 08:22:12,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:12,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-12-05 08:22:12,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:12,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-12-05 08:22:12,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1847, Invalid=13159, Unknown=0, NotChecked=0, Total=15006 [2024-12-05 08:22:12,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:12,610 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:12,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 3.5772357723577235) internal successors, (440), 123 states have internal predecessors, (440), 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) [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:12,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:12,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-05 08:22:13,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-05 08:22:13,115 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:22:13,115 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:13,115 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #3 [2024-12-05 08:22:13,115 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:13,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:22:13,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:13,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 08:22:13,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:13,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:22:13,115 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:13,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 08:22:13,115 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:13,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:22:13,115 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:13,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-12-05 08:22:13,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:13,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-05 08:22:13,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:13,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-05 08:22:13,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:13,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-05 08:22:13,116 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:13,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 08:22:13,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:13,116 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:13,116 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:13,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:13,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1510203585, now seen corresponding path program 13 times [2024-12-05 08:22:13,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:13,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910117648] [2024-12-05 08:22:13,116 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:22:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:22:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 623 proven. 144 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 08:22:14,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:14,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910117648] [2024-12-05 08:22:14,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910117648] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:14,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159319420] [2024-12-05 08:22:14,129 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:22:14,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:14,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:14,131 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:14,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-05 08:22:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:22:14,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 08:22:14,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:15,345 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 497 proven. 112 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-12-05 08:22:15,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 531 proven. 78 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-12-05 08:22:16,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159319420] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:16,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:16,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 84 [2024-12-05 08:22:16,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307575633] [2024-12-05 08:22:16,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:16,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-12-05 08:22:16,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:16,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-12-05 08:22:16,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1255, Invalid=5885, Unknown=0, NotChecked=0, Total=7140 [2024-12-05 08:22:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:16,369 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:16,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.552941176470588) internal successors, (302), 84 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:16,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:16,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-05 08:22:16,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-05 08:22:16,927 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:22:16,927 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:16,927 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #4 [2024-12-05 08:22:16,927 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:16,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:22:16,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:16,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:22:16,927 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:16,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:22:16,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:16,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 08:22:16,927 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:16,927 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:22:16,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:16,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-12-05 08:22:16,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:16,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-05 08:22:16,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:16,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-05 08:22:16,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:16,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 08:22:16,928 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:16,928 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2024-12-05 08:22:16,928 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:16,928 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:16,928 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:16,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:16,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1985469127, now seen corresponding path program 14 times [2024-12-05 08:22:16,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:16,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117838262] [2024-12-05 08:22:16,929 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:22:16,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:16,981 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:22:16,981 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 519 proven. 274 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 08:22:19,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:19,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117838262] [2024-12-05 08:22:19,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117838262] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:19,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529316051] [2024-12-05 08:22:19,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:22:19,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:19,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:19,742 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:19,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-05 08:22:19,990 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:22:19,990 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:19,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 08:22:19,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 531 proven. 109 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-12-05 08:22:21,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 549 proven. 91 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-12-05 08:22:23,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529316051] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:23,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:23,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 31, 31] total 120 [2024-12-05 08:22:23,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738144707] [2024-12-05 08:22:23,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:23,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-12-05 08:22:23,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:23,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-12-05 08:22:23,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1973, Invalid=12547, Unknown=0, NotChecked=0, Total=14520 [2024-12-05 08:22:23,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:23,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:23,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 2.809917355371901) internal successors, (340), 120 states have internal predecessors, (340), 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) [2024-12-05 08:22:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:22:23,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-05 08:22:23,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:23,665 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:22:23,665 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:23,665 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #5 [2024-12-05 08:22:23,665 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:23,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:22:23,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:23,665 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:22:23,665 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:22:23,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:22:23,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:22:23,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-12-05 08:22:23,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-05 08:22:23,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 08:22:23,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-05 08:22:23,666 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:23,666 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-12-05 08:22:23,666 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:23,666 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:23,666 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:23,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash -278814591, now seen corresponding path program 15 times [2024-12-05 08:22:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:23,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264112592] [2024-12-05 08:22:23,667 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:22:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:25,522 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-12-05 08:22:25,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 666 proven. 141 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 08:22:26,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:26,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264112592] [2024-12-05 08:22:26,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264112592] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:26,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242548590] [2024-12-05 08:22:26,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:22:26,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:26,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:26,725 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:26,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-05 08:22:29,538 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-12-05 08:22:29,539 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:29,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 08:22:29,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:30,640 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 690 proven. 105 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-05 08:22:30,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 690 proven. 105 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-12-05 08:22:31,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242548590] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:31,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:31,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 32, 32] total 81 [2024-12-05 08:22:31,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332938945] [2024-12-05 08:22:31,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:31,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-12-05 08:22:31,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:31,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-12-05 08:22:31,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=5155, Unknown=0, NotChecked=0, Total=6642 [2024-12-05 08:22:31,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:31,537 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:31,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.182926829268292) internal successors, (343), 81 states have internal predecessors, (343), 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) [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:31,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:31,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:31,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:22:31,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:22:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:31,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-05 08:22:32,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:32,168 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:22:32,168 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:32,168 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #6 [2024-12-05 08:22:32,168 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:32,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:22:32,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:32,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:22:32,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:32,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:22:32,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:32,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 08:22:32,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:32,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 08:22:32,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:32,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-05 08:22:32,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:32,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-12-05 08:22:32,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:32,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-05 08:22:32,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:32,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-05 08:22:32,170 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:32,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-05 08:22:32,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:32,170 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:32,170 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:32,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:32,171 INFO L85 PathProgramCache]: Analyzing trace with hash 19107577, now seen corresponding path program 16 times [2024-12-05 08:22:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:32,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105921500] [2024-12-05 08:22:32,171 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:22:32,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:32,216 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:22:32,217 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 572 proven. 129 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-12-05 08:22:32,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:32,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105921500] [2024-12-05 08:22:32,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105921500] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:32,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386469158] [2024-12-05 08:22:32,675 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:22:32,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:32,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:32,676 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:32,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-05 08:22:32,845 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:22:32,846 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:32,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-05 08:22:32,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:22:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-05 08:22:34,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:22:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 572 proven. 130 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-05 08:22:35,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386469158] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:22:35,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:22:35,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 49, 38] total 106 [2024-12-05 08:22:35,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720525912] [2024-12-05 08:22:35,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:22:35,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-12-05 08:22:35,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:22:35,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-12-05 08:22:35,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2207, Invalid=8923, Unknown=0, NotChecked=0, Total=11130 [2024-12-05 08:22:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:35,634 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:22:35,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.09433962264151) internal successors, (434), 106 states have internal predecessors, (434), 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) [2024-12-05 08:22:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:35,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:35,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:22:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:22:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:22:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:22:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:22:41,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:22:41,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-05 08:22:42,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:42,082 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:22:42,083 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:22:42,083 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #7 [2024-12-05 08:22:42,083 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:22:42,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:22:42,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:22:42,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:22:42,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:42,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 08:22:42,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:42,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 08:22:42,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-12-05 08:22:42,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-12-05 08:22:42,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-12-05 08:22:42,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2024-12-05 08:22:42,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-12-05 08:22:42,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-12-05 08:22:42,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-12-05 08:22:42,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-12-05 08:22:42,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-12-05 08:22:42,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-05 08:22:42,085 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:22:42,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-12-05 08:22:42,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:22:42,085 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:22:42,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:22:42,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:22:42,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1905642515, now seen corresponding path program 17 times [2024-12-05 08:22:42,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:22:42,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664387994] [2024-12-05 08:22:42,086 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:22:42,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:22:43,271 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-05 08:22:43,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:22:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1691 proven. 120 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-05 08:22:45,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:22:45,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664387994] [2024-12-05 08:22:45,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664387994] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:22:45,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208077446] [2024-12-05 08:22:45,008 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:22:45,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:22:45,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:22:45,010 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:22:45,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-05 08:23:50,020 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-05 08:23:50,020 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:50,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 08:23:50,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:23:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1609 proven. 120 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-12-05 08:23:51,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:23:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1609 proven. 120 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-12-05 08:23:51,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208077446] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:23:51,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:23:51,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 34, 34] total 89 [2024-12-05 08:23:51,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587045552] [2024-12-05 08:23:51,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:23:51,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-12-05 08:23:51,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:23:51,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-12-05 08:23:51,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1718, Invalid=6114, Unknown=0, NotChecked=0, Total=7832 [2024-12-05 08:23:51,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:51,857 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:23:51,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 4.617977528089888) internal successors, (411), 89 states have internal predecessors, (411), 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) [2024-12-05 08:23:51,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:23:51,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:51,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:23:51,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:23:51,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:23:51,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:23:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:23:52,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-12-05 08:23:52,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-05 08:23:52,305 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:23:52,305 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:23:52,305 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #8 [2024-12-05 08:23:52,305 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:23:52,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 08:23:52,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:23:52,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-05 08:23:52,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-05 08:23:52,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-12-05 08:23:52,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2024-12-05 08:23:52,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2024-12-05 08:23:52,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:23:52,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2024-12-05 08:23:52,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:23:52,307 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:23:52,307 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:23:52,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:23:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1948613541, now seen corresponding path program 18 times [2024-12-05 08:23:52,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:23:52,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587475032] [2024-12-05 08:23:52,308 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:23:52,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:23:54,231 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-12-05 08:23:54,231 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:23:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1197 proven. 215 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2024-12-05 08:23:56,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:23:56,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587475032] [2024-12-05 08:23:56,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587475032] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:23:56,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963939313] [2024-12-05 08:23:56,205 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:23:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:23:56,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:23:56,207 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:23:56,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-05 08:24:00,512 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-12-05 08:24:00,512 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:24:00,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 1498 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 08:24:00,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:24:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1106 proven. 182 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-12-05 08:24:01,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:24:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 1152 proven. 136 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-12-05 08:24:03,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963939313] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:24:03,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:24:03,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 37, 37] total 110 [2024-12-05 08:24:03,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640367139] [2024-12-05 08:24:03,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:24:03,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-12-05 08:24:03,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:03,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-12-05 08:24:03,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2344, Invalid=9866, Unknown=0, NotChecked=0, Total=12210 [2024-12-05 08:24:03,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:03,750 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:03,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 2.990990990990991) internal successors, (332), 110 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:03,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:04,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-05 08:24:04,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-05 08:24:04,294 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:24:04,294 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:24:04,294 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #9 [2024-12-05 08:24:04,294 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:24:04,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:24:04,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 08:24:04,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-05 08:24:04,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:04,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-05 08:24:04,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:04,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-05 08:24:04,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:04,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-05 08:24:04,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2024-12-05 08:24:04,296 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,296 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-12-05 08:24:04,297 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:04,297 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-12-05 08:24:04,297 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:04,297 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:24:04,297 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:24:04,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:24:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2047270355, now seen corresponding path program 19 times [2024-12-05 08:24:04,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:24:04,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954534705] [2024-12-05 08:24:04,298 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:24:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:24:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:24:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 1513 proven. 448 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-05 08:24:10,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:24:10,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954534705] [2024-12-05 08:24:10,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954534705] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:24:10,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611743566] [2024-12-05 08:24:10,707 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:24:10,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:24:10,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:24:10,709 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:24:10,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-05 08:24:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:24:11,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 08:24:11,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:24:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 1161 proven. 177 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2024-12-05 08:24:13,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:24:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 1185 proven. 153 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2024-12-05 08:24:15,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611743566] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:24:15,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:24:15,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 39, 39] total 167 [2024-12-05 08:24:15,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43597403] [2024-12-05 08:24:15,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:24:15,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2024-12-05 08:24:15,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:15,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2024-12-05 08:24:15,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3756, Invalid=24300, Unknown=0, NotChecked=0, Total=28056 [2024-12-05 08:24:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:15,997 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:15,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 2.7916666666666665) internal successors, (469), 167 states have internal predecessors, (469), 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) [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:15,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:15,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:15,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:15,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:15,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:24:16,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-05 08:24:16,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-05 08:24:16,759 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:24:16,759 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:24:16,759 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #10 [2024-12-05 08:24:16,759 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:24:16,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:24:16,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:24:16,759 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 08:24:16,759 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:16,759 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-05 08:24:16,759 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-05 08:24:16,760 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-12-05 08:24:16,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2024-12-05 08:24:16,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-12-05 08:24:16,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-12-05 08:24:16,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-12-05 08:24:16,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-12-05 08:24:16,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-12-05 08:24:16,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-05 08:24:16,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-12-05 08:24:16,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-05 08:24:16,761 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:16,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2024-12-05 08:24:16,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:16,761 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:24:16,761 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:24:16,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:24:16,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2099213285, now seen corresponding path program 20 times [2024-12-05 08:24:16,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:24:16,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77394955] [2024-12-05 08:24:16,762 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:24:16,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:24:16,844 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:24:16,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:24:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 1513 proven. 466 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-12-05 08:24:22,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:24:22,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77394955] [2024-12-05 08:24:22,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77394955] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:24:22,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575967720] [2024-12-05 08:24:22,965 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:24:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:24:22,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:24:22,966 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:24:22,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-05 08:24:23,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:24:23,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:24:23,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 08:24:23,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:24:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 1194 proven. 223 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2024-12-05 08:24:25,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:24:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 1246 proven. 171 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2024-12-05 08:24:28,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575967720] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:24:28,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:24:28,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 41, 41] total 172 [2024-12-05 08:24:28,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146192062] [2024-12-05 08:24:28,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:24:28,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2024-12-05 08:24:28,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:28,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2024-12-05 08:24:28,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3955, Invalid=25801, Unknown=0, NotChecked=0, Total=29756 [2024-12-05 08:24:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:28,853 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:28,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 173 states have (on average 2.7976878612716765) internal successors, (484), 172 states have internal predecessors, (484), 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) [2024-12-05 08:24:28,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:24:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:29,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:24:29,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:24:29,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-05 08:24:29,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-05 08:24:29,610 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:24:29,610 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:24:29,611 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #11 [2024-12-05 08:24:29,611 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-05 08:24:29,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-05 08:24:29,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-05 08:24:29,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-12-05 08:24:29,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-05 08:24:29,612 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 266 [2024-12-05 08:24:29,612 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:24:29,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-12-05 08:24:29,612 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:24:29,612 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:24:29,612 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:24:29,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:24:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1399082899, now seen corresponding path program 21 times [2024-12-05 08:24:29,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:24:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746668005] [2024-12-05 08:24:29,612 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:24:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:24:39,401 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-12-05 08:24:39,401 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:24:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 1751 proven. 247 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-05 08:24:42,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:24:42,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746668005] [2024-12-05 08:24:42,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746668005] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:24:42,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779900192] [2024-12-05 08:24:42,022 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:24:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:24:42,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:24:42,023 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:24:42,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-05 08:24:56,082 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-12-05 08:24:56,082 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:24:56,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 1597 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-05 08:24:56,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:24:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 1691 proven. 190 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-12-05 08:24:57,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:24:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 1691 proven. 190 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-12-05 08:24:59,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779900192] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:24:59,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:24:59,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 43, 43] total 117 [2024-12-05 08:24:59,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688211353] [2024-12-05 08:24:59,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:24:59,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-12-05 08:24:59,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:24:59,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-12-05 08:24:59,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2957, Invalid=10849, Unknown=0, NotChecked=0, Total=13806 [2024-12-05 08:24:59,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:59,436 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:24:59,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 4.3474576271186445) internal successors, (513), 117 states have internal predecessors, (513), 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) [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:24:59,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:24:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:24:59,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:24:59,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-05 08:25:00,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-05 08:25:00,032 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:25:00,032 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:25:00,032 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #12 [2024-12-05 08:25:00,032 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:25:00,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:25:00,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 08:25:00,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-05 08:25:00,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:25:00,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-05 08:25:00,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-12-05 08:25:00,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-12-05 08:25:00,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-12-05 08:25:00,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-12-05 08:25:00,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-12-05 08:25:00,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-05 08:25:00,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-12-05 08:25:00,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2024-12-05 08:25:00,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2024-12-05 08:25:00,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2024-12-05 08:25:00,034 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:00,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-12-05 08:25:00,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:00,034 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:25:00,034 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:25:00,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:25:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1252925779, now seen corresponding path program 22 times [2024-12-05 08:25:00,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:25:00,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457417922] [2024-12-05 08:25:00,035 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:25:00,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:25:00,081 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:25:00,081 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:25:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 1503 proven. 304 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-12-05 08:25:00,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:25:00,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457417922] [2024-12-05 08:25:00,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457417922] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:25:00,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785331435] [2024-12-05 08:25:00,929 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:25:00,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:25:00,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:25:00,931 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:25:00,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-05 08:25:01,194 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:25:01,194 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:25:01,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 08:25:01,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:25:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 0 proven. 1808 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-12-05 08:25:04,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:25:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 1503 proven. 305 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-12-05 08:25:06,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785331435] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:25:06,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:25:06,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 76, 58] total 163 [2024-12-05 08:25:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58198036] [2024-12-05 08:25:06,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:25:06,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 163 states [2024-12-05 08:25:06,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:25:06,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2024-12-05 08:25:06,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4880, Invalid=21526, Unknown=0, NotChecked=0, Total=26406 [2024-12-05 08:25:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:25:06,767 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:25:06,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 163 states, 163 states have (on average 4.116564417177914) internal successors, (671), 163 states have internal predecessors, (671), 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) [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:25:06,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:25:06,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-12-05 08:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-05 08:25:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2024-12-05 08:25:19,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-05 08:25:19,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-05 08:25:19,993 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 08:25:19,993 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:25:19,993 INFO L139 ounterexampleChecker]: Examining path program with hash -125220089, occurence #13 [2024-12-05 08:25:19,993 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:25:19,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 08:25:19,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-05 08:25:19,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:25:19,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-05 08:25:19,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2024-12-05 08:25:19,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-12-05 08:25:19,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2024-12-05 08:25:19,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 370 [2024-12-05 08:25:19,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 382 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 388 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 400 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 403 [2024-12-05 08:25:19,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 406 [2024-12-05 08:25:19,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 409 [2024-12-05 08:25:19,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 412 [2024-12-05 08:25:19,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 414 [2024-12-05 08:25:19,995 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:25:19,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2024-12-05 08:25:19,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:25:19,995 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:25:19,995 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:25:19,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:25:19,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1196524494, now seen corresponding path program 23 times [2024-12-05 08:25:19,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:25:19,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426571723] [2024-12-05 08:25:19,996 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:25:19,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:25:25,844 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2024-12-05 08:25:25,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:25:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5659 backedges. 4720 proven. 231 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-12-05 08:25:29,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:25:29,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426571723] [2024-12-05 08:25:29,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426571723] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:25:29,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574319334] [2024-12-05 08:25:29,806 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:25:29,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:25:29,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:25:29,808 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:25:29,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d4be900-6edc-4a75-a59a-ffb0557f7654/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process