./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.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_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/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_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/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_defa846d-f236-44b6-a0e7-9d9f6defbd4b/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 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 08:11:15,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 08:11:15,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 08:11:15,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 08:11:15,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 08:11:15,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 08:11:15,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 08:11:15,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 08:11:15,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 08:11:15,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 08:11:15,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 08:11:15,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 08:11:15,881 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 08:11:15,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 08:11:15,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 08:11:15,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:11:15,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 08:11:15,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 08:11:15,884 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 08:11:15,884 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_defa846d-f236-44b6-a0e7-9d9f6defbd4b/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 -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2024-12-05 08:11:16,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 08:11:16,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 08:11:16,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 08:11:16,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 08:11:16,166 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 08:11:16,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-12-05 08:11:18,779 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/data/784c3ad73/8c6422693dc449a4b9003588a7cc913d/FLAGc3d53af6e [2024-12-05 08:11:18,988 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 08:11:18,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-12-05 08:11:18,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/data/784c3ad73/8c6422693dc449a4b9003588a7cc913d/FLAGc3d53af6e [2024-12-05 08:11:19,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/data/784c3ad73/8c6422693dc449a4b9003588a7cc913d [2024-12-05 08:11:19,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 08:11:19,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 08:11:19,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 08:11:19,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 08:11:19,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 08:11:19,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35797742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19, skipping insertion in model container [2024-12-05 08:11:19,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 08:11:19,528 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_defa846d-f236-44b6-a0e7-9d9f6defbd4b/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-12-05 08:11:19,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:11:19,548 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 08:11:19,577 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_defa846d-f236-44b6-a0e7-9d9f6defbd4b/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2024-12-05 08:11:19,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 08:11:19,596 INFO L204 MainTranslator]: Completed translation [2024-12-05 08:11:19,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19 WrapperNode [2024-12-05 08:11:19,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 08:11:19,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 08:11:19,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 08:11:19,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 08:11:19,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,643 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 294 [2024-12-05 08:11:19,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 08:11:19,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 08:11:19,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 08:11:19,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 08:11:19,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 08:11:19,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 08:11:19,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 08:11:19,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 08:11:19,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (1/1) ... [2024-12-05 08:11:19,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 08:11:19,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:19,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 08:11:19,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 08:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 08:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 08:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 08:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 08:11:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 08:11:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 08:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 08:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 08:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-12-05 08:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-12-05 08:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 08:11:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 08:11:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 08:11:19,737 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 08:11:19,836 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 08:11:19,837 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 08:11:20,284 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 08:11:20,284 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 08:11:20,625 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 08:11:20,625 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 08:11:20,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:11:20 BoogieIcfgContainer [2024-12-05 08:11:20,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 08:11:20,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 08:11:20,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 08:11:20,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 08:11:20,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:11:19" (1/3) ... [2024-12-05 08:11:20,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f411765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:11:20, skipping insertion in model container [2024-12-05 08:11:20,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:19" (2/3) ... [2024-12-05 08:11:20,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f411765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:11:20, skipping insertion in model container [2024-12-05 08:11:20,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:11:20" (3/3) ... [2024-12-05 08:11:20,637 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-12-05 08:11:20,657 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 08:11:20,659 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1-dsl.wvr.c that has 7 procedures, 66 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-12-05 08:11:20,659 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 08:11:20,768 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-12-05 08:11:20,852 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:11:20,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 08:11:20,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:20,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 08:11:20,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 08:11:20,955 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:11:20,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork3 ======== [2024-12-05 08:11:20,986 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;@4a276406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:11:20,986 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-05 08:11:22,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-12-05 08:11:22,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-12-05 08:11:22,406 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-12-05 08:11:22,408 INFO L319 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork3 was SAFE,SAFE (1/3) [2024-12-05 08:11:22,412 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:11:22,414 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:11:22,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2024-12-05 08:11:22,415 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;@4a276406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:11:22,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-05 08:11:22,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-12-05 08:11:22,488 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-12-05 08:11:22,489 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-12-05 08:11:22,490 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE (2/3) [2024-12-05 08:11:22,492 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:11:22,493 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 08:11:22,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 08:11:22,494 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;@4a276406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 08:11:22,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-05 08:11:22,523 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:22,524 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:22,524 INFO L139 ounterexampleChecker]: Examining path program with hash 1639663017, occurence #1 [2024-12-05 08:11:22,524 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:11:22,524 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:22,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:22,528 INFO L85 PathProgramCache]: Analyzing trace with hash -380896418, now seen corresponding path program 1 times [2024-12-05 08:11:22,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:22,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51163506] [2024-12-05 08:11:22,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:22,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:22,722 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 08:11:22,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:22,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51163506] [2024-12-05 08:11:22,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51163506] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:11:22,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:11:22,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 08:11:22,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122536329] [2024-12-05 08:11:22,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:11:22,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-05 08:11:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:22,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-05 08:11:22,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-05 08:11:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:22,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:22,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 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 08:11:22,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:23,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 08:11:23,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:23,613 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:23,614 INFO L139 ounterexampleChecker]: Examining path program with hash -996465341, occurence #1 [2024-12-05 08:11:23,614 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:11:23,614 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:23,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:23,614 INFO L85 PathProgramCache]: Analyzing trace with hash -593598947, now seen corresponding path program 1 times [2024-12-05 08:11:23,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424220179] [2024-12-05 08:11:23,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:23,970 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 08:11:23,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:23,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424220179] [2024-12-05 08:11:23,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424220179] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:11:23,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:11:23,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 08:11:23,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918554991] [2024-12-05 08:11:23,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:11:23,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-05 08:11:23,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:23,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-05 08:11:23,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-05 08:11:23,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:23,974 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:23,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 08:11:23,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:23,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:24,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:24,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:24,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 08:11:24,369 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:24,369 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:24,369 INFO L139 ounterexampleChecker]: Examining path program with hash -155482505, occurence #1 [2024-12-05 08:11:24,369 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:11:24,369 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:24,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:24,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1779700018, now seen corresponding path program 2 times [2024-12-05 08:11:24,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:24,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190755953] [2024-12-05 08:11:24,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:11:24,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:24,433 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:11:24,433 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:24,766 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 08:11:24,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:24,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190755953] [2024-12-05 08:11:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190755953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:11:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:11:24,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 08:11:24,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372774551] [2024-12-05 08:11:24,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:11:24,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-05 08:11:24,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:24,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-05 08:11:24,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-05 08:11:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:24,768 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:24,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 08:11:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:25,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 08:11:25,130 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:25,130 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:25,131 INFO L139 ounterexampleChecker]: Examining path program with hash -155482505, occurence #2 [2024-12-05 08:11:25,131 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:11:25,131 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:11:25,132 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:25,132 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 08:11:25,152 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:25,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 08:11:25,152 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:25,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 08:11:25,153 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:25,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:11:25,153 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:25,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 08:11:25,153 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:25,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 08:11:25,153 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:25,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-05 08:11:25,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:25,185 INFO L85 PathProgramCache]: Analyzing trace with hash -33322108, now seen corresponding path program 1 times [2024-12-05 08:11:25,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:25,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444742734] [2024-12-05 08:11:25,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:25,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:25,366 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:25,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444742734] [2024-12-05 08:11:25,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444742734] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:25,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1539400680] [2024-12-05 08:11:25,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:25,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:11:25,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:25,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1539400680] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:25,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-05 08:11:25,543 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:25,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:11:25,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -355254180, now seen corresponding path program 1 times [2024-12-05 08:11:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:25,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461962045] [2024-12-05 08:11:25,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:25,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:25,764 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:25,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461962045] [2024-12-05 08:11:25,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461962045] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:25,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2083548999] [2024-12-05 08:11:25,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:25,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:11:25,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:25,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2083548999] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:25,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:25,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-05 08:11:25,930 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:25,931 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-05 08:11:25,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash 678783263, now seen corresponding path program 1 times [2024-12-05 08:11:25,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:25,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693977758] [2024-12-05 08:11:25,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:25,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:26,178 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:26,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693977758] [2024-12-05 08:11:26,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693977758] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:26,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [38499820] [2024-12-05 08:11:26,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:26,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:26,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:11:26,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:26,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [38499820] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:26,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:26,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-05 08:11:26,326 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:26,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-05 08:11:26,326 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:26,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-05 08:11:26,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash 809621408, now seen corresponding path program 1 times [2024-12-05 08:11:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:26,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161632904] [2024-12-05 08:11:26,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:26,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:26,637 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:26,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161632904] [2024-12-05 08:11:26,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161632904] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:26,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1673843175] [2024-12-05 08:11:26,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:26,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:11:26,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:26,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1673843175] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:26,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:26,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-05 08:11:26,818 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:26,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 08:11:26,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:26,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 08:11:26,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:26,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-05 08:11:26,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:26,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-12-05 08:11:26,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:26,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-12-05 08:11:26,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:26,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-05 08:11:26,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:26,819 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:11:26,819 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:26,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash -929699137, now seen corresponding path program 1 times [2024-12-05 08:11:26,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:26,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770780180] [2024-12-05 08:11:26,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:26,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:27,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:27,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770780180] [2024-12-05 08:11:27,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770780180] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:27,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761067743] [2024-12-05 08:11:27,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:27,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:11:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:27,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:11:27,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 08:11:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:27,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 08:11:27,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:27,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:11:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:27,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761067743] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:11:27,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:11:27,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-05 08:11:27,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457877397] [2024-12-05 08:11:27,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:11:27,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-05 08:11:27,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:27,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-05 08:11:27,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-12-05 08:11:27,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:27,504 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:27,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 11 states have internal predecessors, (118), 0 states have call successors, (0), 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 08:11:27,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:27,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:27,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:27,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:27,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:27,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:27,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:27,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 08:11:28,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-12-05 08:11:28,164 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:28,165 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:28,165 INFO L139 ounterexampleChecker]: Examining path program with hash -155482505, occurence #3 [2024-12-05 08:11:28,165 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:11:28,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:11:28,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:28,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 08:11:28,165 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:28,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 08:11:28,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:28,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 08:11:28,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:28,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 08:11:28,165 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:28,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:11:28,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:28,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 08:11:28,166 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:28,166 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-05 08:11:28,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:28,195 INFO L85 PathProgramCache]: Analyzing trace with hash -788164727, now seen corresponding path program 1 times [2024-12-05 08:11:28,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:28,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468933890] [2024-12-05 08:11:28,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:28,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:28,506 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:28,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468933890] [2024-12-05 08:11:28,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468933890] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:28,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1945163973] [2024-12-05 08:11:28,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:28,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 08:11:28,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:28,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1945163973] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:28,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:28,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2024-12-05 08:11:28,838 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:28,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:11:28,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1537219615, now seen corresponding path program 1 times [2024-12-05 08:11:28,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:28,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8894196] [2024-12-05 08:11:28,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:28,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:29,102 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:29,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8894196] [2024-12-05 08:11:29,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8894196] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:29,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1551490192] [2024-12-05 08:11:29,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:29,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:29,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 08:11:29,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:29,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1551490192] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:29,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:29,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-12-05 08:11:29,471 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:29,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-05 08:11:29,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash 223808164, now seen corresponding path program 1 times [2024-12-05 08:11:29,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:29,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385036521] [2024-12-05 08:11:29,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:29,963 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:29,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385036521] [2024-12-05 08:11:29,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385036521] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:29,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2143722683] [2024-12-05 08:11:29,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:29,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 08:11:29,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:30,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2143722683] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:30,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:30,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2024-12-05 08:11:30,523 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:30,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-05 08:11:30,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:30,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 08:11:30,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash -292397339, now seen corresponding path program 1 times [2024-12-05 08:11:30,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:30,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9573477] [2024-12-05 08:11:30,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:30,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:31,046 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9573477] [2024-12-05 08:11:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9573477] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [736861728] [2024-12-05 08:11:31,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:31,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 08:11:31,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:31,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [736861728] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:31,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:31,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2024-12-05 08:11:31,750 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:31,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-05 08:11:31,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:31,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 08:11:31,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:31,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2024-12-05 08:11:31,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:31,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-12-05 08:11:31,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:31,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-05 08:11:31,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:31,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-05 08:11:31,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:31,751 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:11:31,751 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:31,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:31,752 INFO L85 PathProgramCache]: Analyzing trace with hash -349475602, now seen corresponding path program 2 times [2024-12-05 08:11:31,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:31,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115784074] [2024-12-05 08:11:31,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:11:31,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:31,802 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 08:11:31,802 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 08:11:32,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:32,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115784074] [2024-12-05 08:11:32,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115784074] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:11:32,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:11:32,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-05 08:11:32,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412939104] [2024-12-05 08:11:32,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:11:32,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-05 08:11:32,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:32,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-05 08:11:32,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-05 08:11:32,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:32,210 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:32,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:11:32,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:32,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:32,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:32,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:32,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:32,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-12-05 08:11:32,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:32,641 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:32,641 INFO L139 ounterexampleChecker]: Examining path program with hash -1613688313, occurence #1 [2024-12-05 08:11:32,641 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:11:32,641 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:32,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1410487852, now seen corresponding path program 3 times [2024-12-05 08:11:32,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:32,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433354205] [2024-12-05 08:11:32,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:11:32,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:32,922 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:11:32,922 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 72 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:34,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:34,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433354205] [2024-12-05 08:11:34,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433354205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:34,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827658634] [2024-12-05 08:11:34,686 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:11:34,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:11:34,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:34,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:11:34,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 08:11:34,930 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-05 08:11:34,930 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:34,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 08:11:34,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:35,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:11:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:36,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827658634] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:11:36,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:11:36,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 19, 19] total 73 [2024-12-05 08:11:36,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433090570] [2024-12-05 08:11:36,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:11:36,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-12-05 08:11:36,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:36,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-12-05 08:11:36,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=4436, Unknown=0, NotChecked=0, Total=5402 [2024-12-05 08:11:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:36,116 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:36,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 6.324324324324325) internal successors, (468), 73 states have internal predecessors, (468), 0 states have call successors, (0), 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 08:11:36,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:36,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:36,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:36,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:36,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:36,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:36,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:11:36,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 08:11:37,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-05 08:11:37,103 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:37,103 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:37,104 INFO L139 ounterexampleChecker]: Examining path program with hash -1613688313, occurence #2 [2024-12-05 08:11:37,104 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:11:37,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 08:11:37,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 08:11:37,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 08:11:37,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 08:11:37,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:11:37,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:37,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 08:11:37,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:37,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-05 08:11:37,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1539818406, now seen corresponding path program 1 times [2024-12-05 08:11:37,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:37,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816618530] [2024-12-05 08:11:37,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:37,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:11:37,160 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:11:37,160 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:11:37,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 08:11:37,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:37,174 INFO L85 PathProgramCache]: Analyzing trace with hash 289186545, now seen corresponding path program 1 times [2024-12-05 08:11:37,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:37,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427622289] [2024-12-05 08:11:37,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:37,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:37,725 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:37,725 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:37,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427622289] [2024-12-05 08:11:37,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427622289] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:37,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [735298302] [2024-12-05 08:11:37,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:37,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:37,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 08:11:37,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:38,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [735298302] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:38,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:38,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-12-05 08:11:38,497 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:38,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-05 08:11:38,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:38,511 INFO L85 PathProgramCache]: Analyzing trace with hash -534269826, now seen corresponding path program 1 times [2024-12-05 08:11:38,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:38,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336999125] [2024-12-05 08:11:38,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:38,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:39,797 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:39,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336999125] [2024-12-05 08:11:39,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336999125] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:39,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [648247455] [2024-12-05 08:11:39,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:39,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:39,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 08:11:39,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:41,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [648247455] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:41,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:41,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2024-12-05 08:11:41,497 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:41,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-05 08:11:41,497 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:41,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-12-05 08:11:41,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:41,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1501681727, now seen corresponding path program 1 times [2024-12-05 08:11:41,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:41,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055296381] [2024-12-05 08:11:41,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 72 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:42,900 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:42,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055296381] [2024-12-05 08:11:42,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055296381] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:42,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [593150510] [2024-12-05 08:11:42,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:42,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 08:11:42,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 117 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [593150510] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:44,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:44,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 38] total 77 [2024-12-05 08:11:44,662 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:44,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-12-05 08:11:44,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:44,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-12-05 08:11:44,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:44,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-12-05 08:11:44,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:44,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 08:11:44,663 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:44,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-05 08:11:44,663 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:44,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-05 08:11:44,663 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:44,663 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:11:44,663 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:44,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash 87833196, now seen corresponding path program 4 times [2024-12-05 08:11:44,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:44,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961047308] [2024-12-05 08:11:44,663 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:11:44,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:44,698 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:11:44,698 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 67 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-05 08:11:45,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:45,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961047308] [2024-12-05 08:11:45,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961047308] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:45,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339718296] [2024-12-05 08:11:45,035 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:11:45,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:11:45,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:45,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:11:45,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 08:11:45,183 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:11:45,183 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:45,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 08:11:45,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 08:11:45,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:11:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 68 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-05 08:11:46,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339718296] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:11:46,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:11:46,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 34, 8] total 43 [2024-12-05 08:11:46,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679090032] [2024-12-05 08:11:46,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:11:46,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-05 08:11:46,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:46,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-05 08:11:46,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2024-12-05 08:11:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:46,162 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:46,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 43 states have internal predecessors, (285), 0 states have call successors, (0), 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 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:11:46,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:11:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:11:47,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 08:11:47,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-12-05 08:11:47,684 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:47,684 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:47,684 INFO L139 ounterexampleChecker]: Examining path program with hash 1264109374, occurence #1 [2024-12-05 08:11:47,684 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:11:47,684 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:47,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:47,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1543724658, now seen corresponding path program 5 times [2024-12-05 08:11:47,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:47,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296323335] [2024-12-05 08:11:47,684 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:11:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:47,863 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-12-05 08:11:47,863 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:49,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:49,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296323335] [2024-12-05 08:11:49,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296323335] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:49,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633071082] [2024-12-05 08:11:49,015 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:11:49,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:11:49,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:49,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:11:49,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 08:11:49,534 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-12-05 08:11:49,535 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:49,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 08:11:49,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:50,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:11:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:51,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633071082] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:11:51,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:11:51,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 29] total 83 [2024-12-05 08:11:51,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738326822] [2024-12-05 08:11:51,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:11:51,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-12-05 08:11:51,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:11:51,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-12-05 08:11:51,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=5487, Unknown=0, NotChecked=0, Total=6972 [2024-12-05 08:11:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:51,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:11:51,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.880952380952381) internal successors, (578), 83 states have internal predecessors, (578), 0 states have call successors, (0), 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 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:11:51,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:11:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:11:51,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 08:11:52,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:11:52,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:11:52,141 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:11:52,141 INFO L139 ounterexampleChecker]: Examining path program with hash 1264109374, occurence #2 [2024-12-05 08:11:52,141 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:11:52,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:11:52,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:52,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 08:11:52,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:52,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 08:11:52,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:52,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 08:11:52,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:52,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:11:52,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:52,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-05 08:11:52,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:52,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 08:11:52,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:52,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-05 08:11:52,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:52,155 INFO L85 PathProgramCache]: Analyzing trace with hash -133672791, now seen corresponding path program 1 times [2024-12-05 08:11:52,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:52,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997331264] [2024-12-05 08:11:52,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:52,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:11:52,294 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:11:52,294 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:11:52,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2024-12-05 08:11:52,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1537829182, now seen corresponding path program 1 times [2024-12-05 08:11:52,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:11:52,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719739939] [2024-12-05 08:11:52,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 128 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:53,155 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 08:11:53,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719739939] [2024-12-05 08:11:53,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719739939] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:53,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1960297636] [2024-12-05 08:11:53,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:11:53,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:11:53,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 08:11:53,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 140 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:54,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1960297636] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:54,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 08:11:54,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2024-12-05 08:11:54,100 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 08:11:54,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-12-05 08:11:54,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:54,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2024-12-05 08:11:54,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:54,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-05 08:11:54,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:54,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-12-05 08:11:54,100 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:54,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-12-05 08:11:54,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:11:54,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-12-05 08:11:54,100 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:54,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-12-05 08:11:54,101 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:11:54,101 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:11:54,101 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:11:54,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:11:54,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1681290738, now seen corresponding path program 6 times [2024-12-05 08:11:54,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:11:54,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004364709] [2024-12-05 08:11:54,101 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:11:54,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:11:54,586 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-12-05 08:11:54,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 307 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:57,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:11:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004364709] [2024-12-05 08:11:57,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004364709] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:11:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394197685] [2024-12-05 08:11:57,651 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:11:57,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:11:57,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:11:57,653 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:11:57,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 08:11:58,330 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-12-05 08:11:58,330 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:11:58,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 08:11:58,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:11:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 397 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:11:59,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:12:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 397 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:01,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394197685] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:12:01,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:12:01,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 37, 37] total 131 [2024-12-05 08:12:01,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789760339] [2024-12-05 08:12:01,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:12:01,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-12-05 08:12:01,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:12:01,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-12-05 08:12:01,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2915, Invalid=14377, Unknown=0, NotChecked=0, Total=17292 [2024-12-05 08:12:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:01,354 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:12:01,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.848484848484849) internal successors, (640), 131 states have internal predecessors, (640), 0 states have call successors, (0), 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 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:01,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:02,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:02,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 08:12:02,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:02,251 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:12:02,251 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:12:02,251 INFO L139 ounterexampleChecker]: Examining path program with hash 1264109374, occurence #3 [2024-12-05 08:12:02,251 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:12:02,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:12:02,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 08:12:02,251 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:02,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 08:12:02,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 08:12:02,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 08:12:02,252 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:02,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-05 08:12:02,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-05 08:12:02,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-05 08:12:02,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:02,267 INFO L85 PathProgramCache]: Analyzing trace with hash 205307078, now seen corresponding path program 1 times [2024-12-05 08:12:02,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:12:02,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439528553] [2024-12-05 08:12:02,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:12:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:12:02,411 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:12:02,411 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:12:02,411 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-05 08:12:02,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:02,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1266616031, now seen corresponding path program 1 times [2024-12-05 08:12:02,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:12:02,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524128034] [2024-12-05 08:12:02,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:12:02,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:12:02,681 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:12:02,681 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:12:02,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-12-05 08:12:02,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-12-05 08:12:02,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-12-05 08:12:02,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-12-05 08:12:02,681 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:02,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2024-12-05 08:12:02,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:02,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2024-12-05 08:12:02,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:02,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-05 08:12:02,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:02,682 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:12:02,682 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:12:02,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:02,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1197739809, now seen corresponding path program 7 times [2024-12-05 08:12:02,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:12:02,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686668224] [2024-12-05 08:12:02,683 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:12:02,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:12:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 379 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:04,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:12:04,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686668224] [2024-12-05 08:12:04,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686668224] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:12:04,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301353475] [2024-12-05 08:12:04,501 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:12:04,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:04,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:12:04,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:12:04,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 08:12:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:12:04,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-05 08:12:04,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:12:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 397 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:06,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:12:07,563 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 397 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:07,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301353475] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:12:07,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:12:07,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 112 [2024-12-05 08:12:07,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11729287] [2024-12-05 08:12:07,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:12:07,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-12-05 08:12:07,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:12:07,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-12-05 08:12:07,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=9758, Unknown=0, NotChecked=0, Total=12656 [2024-12-05 08:12:07,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:07,570 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:12:07,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.336283185840708) internal successors, (490), 112 states have internal predecessors, (490), 0 states have call successors, (0), 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 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:07,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:08,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:08,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 08:12:08,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-12-05 08:12:08,448 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:12:08,448 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:12:08,448 INFO L139 ounterexampleChecker]: Examining path program with hash 1264109374, occurence #4 [2024-12-05 08:12:08,448 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:12:08,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 08:12:08,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 08:12:08,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 08:12:08,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 08:12:08,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-05 08:12:08,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-05 08:12:08,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-05 08:12:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1598728131, now seen corresponding path program 1 times [2024-12-05 08:12:08,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:12:08,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690064600] [2024-12-05 08:12:08,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:12:08,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:12:08,551 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:12:08,551 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:12:08,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2024-12-05 08:12:08,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:08,566 INFO L85 PathProgramCache]: Analyzing trace with hash 721788502, now seen corresponding path program 1 times [2024-12-05 08:12:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:12:08,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071459987] [2024-12-05 08:12:08,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:12:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:12:08,708 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:12:08,708 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:12:08,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-05 08:12:08,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-12-05 08:12:08,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-12-05 08:12:08,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2024-12-05 08:12:08,708 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:08,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-12-05 08:12:08,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:08,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-12-05 08:12:08,709 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:08,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2024-12-05 08:12:08,709 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:08,709 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:12:08,709 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:12:08,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:08,709 INFO L85 PathProgramCache]: Analyzing trace with hash 778433166, now seen corresponding path program 8 times [2024-12-05 08:12:08,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:12:08,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203356202] [2024-12-05 08:12:08,710 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:12:08,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:08,796 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:12:08,796 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 210 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:10,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:12:10,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203356202] [2024-12-05 08:12:10,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203356202] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:12:10,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585657756] [2024-12-05 08:12:10,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:12:10,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:12:10,468 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:12:10,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 08:12:10,769 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:12:10,769 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:10,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 08:12:10,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:12:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 397 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:12,711 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:12:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 397 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:15,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585657756] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:12:15,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:12:15,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 47] total 136 [2024-12-05 08:12:15,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352254710] [2024-12-05 08:12:15,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:12:15,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-12-05 08:12:15,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:12:15,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-12-05 08:12:15,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2740, Invalid=15892, Unknown=0, NotChecked=0, Total=18632 [2024-12-05 08:12:15,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:15,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:12:15,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.839416058394161) internal successors, (663), 136 states have internal predecessors, (663), 0 states have call successors, (0), 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 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:15,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:12:17,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 08:12:17,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-12-05 08:12:17,944 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:12:17,945 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:12:17,945 INFO L139 ounterexampleChecker]: Examining path program with hash -845534955, occurence #1 [2024-12-05 08:12:17,945 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:12:17,945 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:12:17,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:17,945 INFO L85 PathProgramCache]: Analyzing trace with hash 243349060, now seen corresponding path program 9 times [2024-12-05 08:12:17,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:12:17,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194700263] [2024-12-05 08:12:17,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:12:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:18,995 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-12-05 08:12:18,995 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1516 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:25,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:12:25,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194700263] [2024-12-05 08:12:25,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194700263] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:12:25,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609190274] [2024-12-05 08:12:25,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:12:25,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:25,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:12:25,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:12:25,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 08:12:27,305 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-12-05 08:12:27,305 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:27,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-05 08:12:27,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:12:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1726 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:30,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:12:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1726 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:34,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609190274] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:12:34,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:12:34,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 61, 61] total 217 [2024-12-05 08:12:34,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381895310] [2024-12-05 08:12:34,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:12:34,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2024-12-05 08:12:34,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:12:34,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2024-12-05 08:12:34,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8018, Invalid=39288, Unknown=0, NotChecked=0, Total=47306 [2024-12-05 08:12:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:34,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:12:34,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 4.610091743119266) internal successors, (1005), 217 states have internal predecessors, (1005), 0 states have call successors, (0), 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 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:12:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:35,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:12:35,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 08:12:35,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 08:12:35,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:35,717 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:12:35,717 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:12:35,717 INFO L139 ounterexampleChecker]: Examining path program with hash -845534955, occurence #2 [2024-12-05 08:12:35,717 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:12:35,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:12:35,717 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:35,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-05 08:12:35,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:35,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-05 08:12:35,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:35,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-05 08:12:35,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:35,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-05 08:12:35,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:35,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-05 08:12:35,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:35,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-05 08:12:35,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:35,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2024-12-05 08:12:35,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash -923527526, now seen corresponding path program 1 times [2024-12-05 08:12:35,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:12:35,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117950946] [2024-12-05 08:12:35,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:12:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:12:36,153 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:12:36,153 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:12:36,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-05 08:12:36,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:36,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2117359077, now seen corresponding path program 1 times [2024-12-05 08:12:36,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:12:36,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002314442] [2024-12-05 08:12:36,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:12:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:12:36,751 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:12:36,751 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:12:36,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2024-12-05 08:12:36,751 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:36,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2024-12-05 08:12:36,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:36,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2024-12-05 08:12:36,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:36,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2024-12-05 08:12:36,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:36,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2024-12-05 08:12:36,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:12:36,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2024-12-05 08:12:36,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:36,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2024-12-05 08:12:36,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:12:36,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:12:36,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:12:36,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1470864525, now seen corresponding path program 10 times [2024-12-05 08:12:36,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:12:36,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085208480] [2024-12-05 08:12:36,753 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:12:36,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:36,827 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:12:36,827 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 153 proven. 454 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2024-12-05 08:12:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:12:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085208480] [2024-12-05 08:12:37,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085208480] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:12:37,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326416573] [2024-12-05 08:12:37,773 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:12:37,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:12:37,775 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:12:37,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 08:12:38,012 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:12:38,013 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:38,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-05 08:12:38,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:12:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 0 proven. 1726 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2024-12-05 08:12:39,906 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:12:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 153 proven. 454 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2024-12-05 08:12:40,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326416573] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:12:40,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:12:40,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 75, 9] total 81 [2024-12-05 08:12:40,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858670816] [2024-12-05 08:12:40,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:12:40,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-12-05 08:12:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:12:40,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-12-05 08:12:40,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=5934, Unknown=0, NotChecked=0, Total=6480 [2024-12-05 08:12:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:40,417 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:12:40,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 4.888888888888889) internal successors, (396), 81 states have internal predecessors, (396), 0 states have call successors, (0), 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 08:12:40,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:40,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 08:12:40,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:12:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:12:47,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:12:47,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 08:12:47,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44 [2024-12-05 08:12:47,790 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:12:47,790 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:12:47,791 INFO L139 ounterexampleChecker]: Examining path program with hash 260907468, occurence #1 [2024-12-05 08:12:47,791 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:12:47,791 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:12:47,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:12:47,791 INFO L85 PathProgramCache]: Analyzing trace with hash 185446332, now seen corresponding path program 11 times [2024-12-05 08:12:47,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:12:47,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294871021] [2024-12-05 08:12:47,791 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:12:47,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:12:48,610 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-12-05 08:12:48,610 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:12:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2310 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:12:53,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:12:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294871021] [2024-12-05 08:12:53,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294871021] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:12:53,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026990402] [2024-12-05 08:12:53,752 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:12:53,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:12:53,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:12:53,754 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:12:53,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 08:13:03,772 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-12-05 08:13:03,772 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:13:03,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-05 08:13:03,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:13:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2310 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:08,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:13:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2310 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:12,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026990402] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:13:12,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:13:12,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 82, 82] total 206 [2024-12-05 08:13:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490559253] [2024-12-05 08:13:12,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:13:12,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 207 states [2024-12-05 08:13:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:13:12,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2024-12-05 08:13:12,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10057, Invalid=32585, Unknown=0, NotChecked=0, Total=42642 [2024-12-05 08:13:12,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:12,032 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:13:12,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 207 states, 207 states have (on average 5.748792270531401) internal successors, (1190), 206 states have internal predecessors, (1190), 0 states have call successors, (0), 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 08:13:12,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:12,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:13:12,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:13:12,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:13:12,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:13:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:13:12,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 08:13:12,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-12-05 08:13:12,963 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:13:12,963 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:13:12,964 INFO L139 ounterexampleChecker]: Examining path program with hash 260907468, occurence #2 [2024-12-05 08:13:12,964 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:13:12,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:13:12,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:12,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-05 08:13:12,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:13:12,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-05 08:13:12,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:12,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-05 08:13:12,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:12,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-05 08:13:12,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:13:12,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-05 08:13:12,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:12,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-05 08:13:12,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:12,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2024-12-05 08:13:12,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:13:12,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1586046907, now seen corresponding path program 1 times [2024-12-05 08:13:12,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:13:12,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951634402] [2024-12-05 08:13:12,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:13:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:13:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:13:13,750 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:13:13,751 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:13:13,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2024-12-05 08:13:13,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:13:13,764 INFO L85 PathProgramCache]: Analyzing trace with hash -141373996, now seen corresponding path program 1 times [2024-12-05 08:13:13,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 08:13:13,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886095938] [2024-12-05 08:13:13,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 08:13:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:13:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 08:13:14,748 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 08:13:14,748 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 08:13:14,748 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 410 is hopeless, skipping. [2024-12-05 08:13:14,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2024-12-05 08:13:14,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:14,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2024-12-05 08:13:14,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:14,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2024-12-05 08:13:14,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:13:14,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2024-12-05 08:13:14,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:13:14,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 440 [2024-12-05 08:13:14,748 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:13:14,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 443 [2024-12-05 08:13:14,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:13:14,749 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:13:14,749 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:13:14,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:13:14,749 INFO L85 PathProgramCache]: Analyzing trace with hash 201144380, now seen corresponding path program 12 times [2024-12-05 08:13:14,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:13:14,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585297205] [2024-12-05 08:13:14,749 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:13:14,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:13:16,703 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-12-05 08:13:16,703 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:13:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3300 backedges. 400 proven. 215 refuted. 0 times theorem prover too weak. 2685 trivial. 0 not checked. [2024-12-05 08:13:20,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:13:20,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585297205] [2024-12-05 08:13:20,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585297205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:13:20,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504890565] [2024-12-05 08:13:20,417 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 08:13:20,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:13:20,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:13:20,419 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:13:20,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-05 08:13:29,539 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-12-05 08:13:29,539 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:13:29,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-05 08:13:29,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:13:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3300 backedges. 2310 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:33,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:13:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3300 backedges. 2310 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:38,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504890565] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:13:38,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:13:38,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 91, 91] total 192 [2024-12-05 08:13:38,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977670907] [2024-12-05 08:13:38,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:13:38,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-12-05 08:13:38,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:13:38,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-12-05 08:13:38,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8364, Invalid=28308, Unknown=0, NotChecked=0, Total=36672 [2024-12-05 08:13:38,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:38,795 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:13:38,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 4.927083333333333) internal successors, (946), 192 states have internal predecessors, (946), 0 states have call successors, (0), 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 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:13:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:13:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-05 08:13:41,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-05 08:13:41,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2024-12-05 08:13:41,216 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:13:41,216 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:13:41,217 INFO L139 ounterexampleChecker]: Examining path program with hash -846795873, occurence #1 [2024-12-05 08:13:41,217 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:13:41,217 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:13:41,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:13:41,217 INFO L85 PathProgramCache]: Analyzing trace with hash -978597185, now seen corresponding path program 13 times [2024-12-05 08:13:41,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:13:41,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458659909] [2024-12-05 08:13:41,218 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:13:41,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:13:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:13:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 946 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:13:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458659909] [2024-12-05 08:13:46,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458659909] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:13:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810990507] [2024-12-05 08:13:46,498 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 08:13:46,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:13:46,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:13:46,499 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:13:46,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-05 08:13:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 08:13:46,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-05 08:13:46,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:13:52,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 990 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:52,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:13:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 1035 proven. 1682 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:13:58,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810990507] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:13:58,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:13:58,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 86, 86] total 253 [2024-12-05 08:13:58,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59448541] [2024-12-05 08:13:58,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:13:58,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2024-12-05 08:13:58,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:13:58,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2024-12-05 08:13:58,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11991, Invalid=52271, Unknown=0, NotChecked=0, Total=64262 [2024-12-05 08:13:58,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:58,807 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:13:58,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 254 states have (on average 4.393700787401575) internal successors, (1116), 253 states have internal predecessors, (1116), 0 states have call successors, (0), 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 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:13:58,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:13:58,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-12-05 08:13:58,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:14:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:14:08,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-05 08:14:08,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-12-05 08:14:08,241 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:14:08,241 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:14:08,241 INFO L139 ounterexampleChecker]: Examining path program with hash 410108682, occurence #1 [2024-12-05 08:14:08,241 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:14:08,241 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:14:08,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:14:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1494713833, now seen corresponding path program 14 times [2024-12-05 08:14:08,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:14:08,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918006571] [2024-12-05 08:14:08,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:14:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:14:08,415 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:14:08,415 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:14:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5246 backedges. 3896 proven. 1350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:14:22,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:14:22,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918006571] [2024-12-05 08:14:22,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918006571] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:14:22,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601657967] [2024-12-05 08:14:22,521 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 08:14:22,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:14:22,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:14:22,522 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:14:22,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-05 08:14:23,020 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 08:14:23,020 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:14:23,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 2219 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-12-05 08:14:23,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:14:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5246 backedges. 4205 proven. 1035 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 08:14:30,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:14:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5246 backedges. 4205 proven. 1035 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 08:14:38,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601657967] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:14:38,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:14:38,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 93, 93] total 331 [2024-12-05 08:14:38,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485992826] [2024-12-05 08:14:38,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:14:38,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 332 states [2024-12-05 08:14:38,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:14:38,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 332 interpolants. [2024-12-05 08:14:38,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16614, Invalid=93278, Unknown=0, NotChecked=0, Total=109892 [2024-12-05 08:14:38,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:14:38,569 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:14:38,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 332 states, 332 states have (on average 4.102409638554217) internal successors, (1362), 331 states have internal predecessors, (1362), 0 states have call successors, (0), 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 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:14:38,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:14:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:14:39,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-12-05 08:14:39,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-05 08:14:39,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:14:39,703 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:14:39,703 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:14:39,703 INFO L139 ounterexampleChecker]: Examining path program with hash 410108682, occurence #2 [2024-12-05 08:14:39,703 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:14:39,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:14:39,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-05 08:14:39,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-05 08:14:39,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 455 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 471 [2024-12-05 08:14:39,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2024-12-05 08:14:39,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2024-12-05 08:14:39,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:14:39,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2024-12-05 08:14:39,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:14:39,704 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:14:39,705 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:14:39,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:14:39,705 INFO L85 PathProgramCache]: Analyzing trace with hash -87185512, now seen corresponding path program 15 times [2024-12-05 08:14:39,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:14:39,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319342963] [2024-12-05 08:14:39,705 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:14:39,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:14:41,598 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-12-05 08:14:41,599 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:14:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5292 backedges. 3962 proven. 1330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:14:49,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:14:49,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319342963] [2024-12-05 08:14:49,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319342963] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:14:49,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493496976] [2024-12-05 08:14:49,504 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 08:14:49,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:14:49,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:14:49,506 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:14:49,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-05 08:15:10,208 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-12-05 08:15:10,208 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:15:10,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-12-05 08:15:10,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 08:15:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5292 backedges. 4209 proven. 1081 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:15:16,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 08:15:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5292 backedges. 4209 proven. 1081 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 08:15:21,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493496976] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 08:15:21,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 08:15:21,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101, 98, 98] total 249 [2024-12-05 08:15:21,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538290762] [2024-12-05 08:15:21,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 08:15:21,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 250 states [2024-12-05 08:15:21,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:15:21,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 250 interpolants. [2024-12-05 08:15:21,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14023, Invalid=48227, Unknown=0, NotChecked=0, Total=62250 [2024-12-05 08:15:21,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:21,337 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:15:21,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 250 states, 250 states have (on average 5.672) internal successors, (1418), 249 states have internal predecessors, (1418), 0 states have call successors, (0), 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 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:15:21,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-12-05 08:15:21,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-12-05 08:15:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-12-05 08:15:22,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-05 08:15:22,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:15:22,208 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:15:22,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:15:22,208 INFO L139 ounterexampleChecker]: Examining path program with hash 410108682, occurence #3 [2024-12-05 08:15:22,208 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 08:15:22,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-05 08:15:22,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-05 08:15:22,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-05 08:15:22,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-05 08:15:22,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-05 08:15:22,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-05 08:15:22,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2024-12-05 08:15:22,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 471 [2024-12-05 08:15:22,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 475 [2024-12-05 08:15:22,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2024-12-05 08:15:22,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2024-12-05 08:15:22,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2024-12-05 08:15:22,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:15:22,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2024-12-05 08:15:22,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 08:15:22,209 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 08:15:22,209 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:15:22,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:15:22,209 INFO L85 PathProgramCache]: Analyzing trace with hash -674649128, now seen corresponding path program 16 times [2024-12-05 08:15:22,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:15:22,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470660062] [2024-12-05 08:15:22,210 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 08:15:22,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:15:22,286 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 08:15:22,286 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:15:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5486 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 5125 trivial. 0 not checked. [2024-12-05 08:15:23,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:15:23,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470660062] [2024-12-05 08:15:23,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470660062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 08:15:23,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 08:15:23,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-05 08:15:23,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624850361] [2024-12-05 08:15:23,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 08:15:23,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-05 08:15:23,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 08:15:23,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-05 08:15:23,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-05 08:15:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:23,952 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 08:15:23,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-12-05 08:15:23,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-12-05 08:15:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 08:15:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-05 08:15:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-05 08:15:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-12-05 08:15:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-12-05 08:15:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-12-05 08:15:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-12-05 08:15:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 08:15:24,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-12-05 08:15:24,402 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-05 08:15:24,402 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 08:15:24,403 INFO L139 ounterexampleChecker]: Examining path program with hash 150022837, occurence #1 [2024-12-05 08:15:24,403 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 08:15:24,403 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 08:15:24,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 08:15:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash 160346374, now seen corresponding path program 17 times [2024-12-05 08:15:24,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 08:15:24,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13432362] [2024-12-05 08:15:24,403 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:15:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 08:15:25,640 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-12-05 08:15:25,640 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 08:15:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5484 backedges. 1225 proven. 4259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 08:15:32,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 08:15:32,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13432362] [2024-12-05 08:15:32,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13432362] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 08:15:32,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152747260] [2024-12-05 08:15:32,611 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 08:15:32,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 08:15:32,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 08:15:32,613 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 08:15:32,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_defa846d-f236-44b6-a0e7-9d9f6defbd4b/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process