./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca --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 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:29:55,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:29:55,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:29:55,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:29:55,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:29:55,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:29:55,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:29:55,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:29:55,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:29:55,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:29:55,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:29:55,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:29:55,884 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:29:55,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:29:55,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:29:55,884 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:29:55,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:29:55,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:29:55,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:29:55,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:29:55,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:29:55,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:29:55,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:29:55,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:29:55,887 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:29:55,887 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_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca 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 -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2024-11-23 11:29:56,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:29:56,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:29:56,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:29:56,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:29:56,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:29:56,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2024-11-23 11:29:59,151 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/data/f9563f0f3/815c26a18fcc4600830cb07e420d3161/FLAGbfd9a2e0f [2024-11-23 11:29:59,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:29:59,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2024-11-23 11:29:59,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/data/f9563f0f3/815c26a18fcc4600830cb07e420d3161/FLAGbfd9a2e0f [2024-11-23 11:29:59,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/data/f9563f0f3/815c26a18fcc4600830cb07e420d3161 [2024-11-23 11:29:59,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:29:59,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:29:59,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:29:59,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:29:59,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:29:59,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7194c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59, skipping insertion in model container [2024-11-23 11:29:59,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:29:59,767 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_e3c48e51-4878-4057-a764-7e78a098ccbf/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2024-11-23 11:29:59,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:29:59,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:29:59,834 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_e3c48e51-4878-4057-a764-7e78a098ccbf/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2024-11-23 11:29:59,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:29:59,853 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:29:59,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59 WrapperNode [2024-11-23 11:29:59,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:29:59,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:29:59,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:29:59,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:29:59,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,928 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 331 [2024-11-23 11:29:59,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:29:59,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:29:59,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:29:59,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:29:59,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:29:59,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:29:59,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:29:59,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:29:59,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:29:59,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (1/1) ... [2024-11-23 11:30:00,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:30:00,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:00,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:30:00,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:30:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:30:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 11:30:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 11:30:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 11:30:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 11:30:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 11:30:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 11:30:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:30:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:30:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:30:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:30:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 11:30:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:30:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:30:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:30:00,071 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:30:00,201 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:30:00,203 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:30:00,942 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:30:00,942 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:30:01,477 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:30:01,477 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-23 11:30:01,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:01 BoogieIcfgContainer [2024-11-23 11:30:01,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:30:01,480 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:30:01,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:30:01,486 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:30:01,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:29:59" (1/3) ... [2024-11-23 11:30:01,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247c51c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:30:01, skipping insertion in model container [2024-11-23 11:30:01,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:59" (2/3) ... [2024-11-23 11:30:01,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247c51c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:30:01, skipping insertion in model container [2024-11-23 11:30:01,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:01" (3/3) ... [2024-11-23 11:30:01,491 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2024-11-23 11:30:01,509 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:30:01,512 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-commit-1.wvr-bad.c that has 4 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-23 11:30:01,513 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:30:01,598 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 11:30:01,673 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:01,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:30:01,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:01,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:30:01,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:30:01,768 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:30:01,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:30:01,799 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;@68617ce1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:30:01,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-23 11:30:02,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:02,093 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:02,094 INFO L139 ounterexampleChecker]: Examining path program with hash -1209862271, occurence #1 [2024-11-23 11:30:02,094 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:02,094 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:02,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:02,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1523643119, now seen corresponding path program 1 times [2024-11-23 11:30:02,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:02,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044084250] [2024-11-23 11:30:02,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:02,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:30:02,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:02,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044084250] [2024-11-23 11:30:02,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044084250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:02,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:02,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:30:02,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324957537] [2024-11-23 11:30:02,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:02,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 11:30:02,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:02,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 11:30:02,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 11:30:02,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:02,443 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:02,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:02,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:04,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:04,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:30:04,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:04,826 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:04,827 INFO L139 ounterexampleChecker]: Examining path program with hash -2127947798, occurence #1 [2024-11-23 11:30:04,827 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:04,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:04,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1822840423, now seen corresponding path program 1 times [2024-11-23 11:30:04,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:04,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820562635] [2024-11-23 11:30:04,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:04,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:30:05,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:05,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820562635] [2024-11-23 11:30:05,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820562635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:05,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:05,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:30:05,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479895108] [2024-11-23 11:30:05,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:05,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:05,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:05,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:05,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:05,320 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:05,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:05,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:05,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:05,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:30:05,707 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:05,707 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:05,707 INFO L139 ounterexampleChecker]: Examining path program with hash 1443844264, occurence #1 [2024-11-23 11:30:05,707 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:05,708 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:05,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:05,708 INFO L85 PathProgramCache]: Analyzing trace with hash 294474122, now seen corresponding path program 2 times [2024-11-23 11:30:05,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:05,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744655130] [2024-11-23 11:30:05,710 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:05,776 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:30:05,780 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 11:30:05,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:05,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744655130] [2024-11-23 11:30:05,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744655130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:06,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:06,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:06,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626974084] [2024-11-23 11:30:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:06,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:06,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:06,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:06,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,001 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:06,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:06,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:30:06,196 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:06,197 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:06,197 INFO L139 ounterexampleChecker]: Examining path program with hash 1916573535, occurence #1 [2024-11-23 11:30:06,197 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:06,197 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:06,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:06,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1610623154, now seen corresponding path program 3 times [2024-11-23 11:30:06,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:06,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39734861] [2024-11-23 11:30:06,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:06,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:06,243 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 11:30:06,243 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-23 11:30:06,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:06,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39734861] [2024-11-23 11:30:06,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39734861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:06,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:06,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:06,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20748086] [2024-11-23 11:30:06,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:06,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:06,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:06,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:06,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:06,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,474 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:06,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:06,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:30:06,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:06,680 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:06,680 INFO L139 ounterexampleChecker]: Examining path program with hash -1482960301, occurence #1 [2024-11-23 11:30:06,681 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:06,681 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:06,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1324681258, now seen corresponding path program 4 times [2024-11-23 11:30:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:06,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532271968] [2024-11-23 11:30:06,682 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:30:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:06,759 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:30:06,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-23 11:30:06,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:06,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532271968] [2024-11-23 11:30:06,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532271968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:06,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:06,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762662223] [2024-11-23 11:30:06,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:06,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:06,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:06,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:06,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,973 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:06,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:06,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:30:07,143 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:07,144 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:07,144 INFO L139 ounterexampleChecker]: Examining path program with hash 588612995, occurence #1 [2024-11-23 11:30:07,144 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:07,144 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:07,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:07,145 INFO L85 PathProgramCache]: Analyzing trace with hash -806261391, now seen corresponding path program 5 times [2024-11-23 11:30:07,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055523171] [2024-11-23 11:30:07,146 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:30:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:07,249 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-23 11:30:07,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-23 11:30:07,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:07,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055523171] [2024-11-23 11:30:07,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055523171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:07,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:07,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:07,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865815174] [2024-11-23 11:30:07,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:07,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:07,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:07,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:07,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,356 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:07,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:30:07,516 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:07,517 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:07,517 INFO L139 ounterexampleChecker]: Examining path program with hash -1617915983, occurence #1 [2024-11-23 11:30:07,517 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:07,517 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:07,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1920146684, now seen corresponding path program 6 times [2024-11-23 11:30:07,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:07,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960515177] [2024-11-23 11:30:07,520 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:30:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:07,556 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-23 11:30:07,556 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-23 11:30:07,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:07,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960515177] [2024-11-23 11:30:07,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960515177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:07,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:07,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394531751] [2024-11-23 11:30:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:07,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:30:07,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:07,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:30:07,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:30:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,683 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:07,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:07,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:07,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 11:30:07,834 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:07,834 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:07,834 INFO L139 ounterexampleChecker]: Examining path program with hash -1617915983, occurence #2 [2024-11-23 11:30:07,834 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:07,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:07,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:07,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-23 11:30:07,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:07,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-23 11:30:07,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:07,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-23 11:30:07,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:07,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-23 11:30:07,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:07,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-23 11:30:07,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:07,960 INFO L85 PathProgramCache]: Analyzing trace with hash -597973639, now seen corresponding path program 1 times [2024-11-23 11:30:07,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:07,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976493578] [2024-11-23 11:30:07,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 11:30:08,055 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:08,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976493578] [2024-11-23 11:30:08,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976493578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:08,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:08,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:08,056 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 21. Constructing proof automaton... [2024-11-23 11:30:08,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:08,057 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-23 11:30:08,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:08,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-23 11:30:08,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:08,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:08,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:08,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:08,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 11:30:08,398 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:08,398 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:08,398 INFO L139 ounterexampleChecker]: Examining path program with hash 1381206542, occurence #1 [2024-11-23 11:30:08,398 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:08,398 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:08,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:08,399 INFO L85 PathProgramCache]: Analyzing trace with hash -722762276, now seen corresponding path program 1 times [2024-11-23 11:30:08,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:08,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049546024] [2024-11-23 11:30:08,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:08,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 11:30:08,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:08,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049546024] [2024-11-23 11:30:08,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049546024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:08,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:08,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:08,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944981301] [2024-11-23 11:30:08,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:08,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:08,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:08,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:08,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,627 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:08,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:08,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:08,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:08,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 11:30:08,920 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:08,920 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:08,920 INFO L139 ounterexampleChecker]: Examining path program with hash 515207130, occurence #1 [2024-11-23 11:30:08,921 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:08,921 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:08,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:08,921 INFO L85 PathProgramCache]: Analyzing trace with hash -892721800, now seen corresponding path program 1 times [2024-11-23 11:30:08,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:08,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550083454] [2024-11-23 11:30:08,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-23 11:30:09,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:09,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550083454] [2024-11-23 11:30:09,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550083454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:09,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:09,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:09,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140131252] [2024-11-23 11:30:09,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:09,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:09,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:09,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:09,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:09,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:09,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 11:30:09,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:09,292 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:09,292 INFO L139 ounterexampleChecker]: Examining path program with hash -925902144, occurence #1 [2024-11-23 11:30:09,292 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:09,293 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:09,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:09,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1739874165, now seen corresponding path program 2 times [2024-11-23 11:30:09,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:09,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962345323] [2024-11-23 11:30:09,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:09,385 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:09,385 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-23 11:30:09,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:09,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962345323] [2024-11-23 11:30:09,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962345323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:09,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:09,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:09,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782235372] [2024-11-23 11:30:09,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:09,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:09,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:09,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:09,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,592 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:09,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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) [2024-11-23 11:30:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:09,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 11:30:09,726 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:09,726 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:09,727 INFO L139 ounterexampleChecker]: Examining path program with hash -1473394293, occurence #1 [2024-11-23 11:30:09,727 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:09,727 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:09,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 356057942, now seen corresponding path program 2 times [2024-11-23 11:30:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:09,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684966597] [2024-11-23 11:30:09,728 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:09,767 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:30:09,767 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-23 11:30:09,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684966597] [2024-11-23 11:30:09,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684966597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:09,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:09,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:30:09,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482927508] [2024-11-23 11:30:09,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:09,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:30:09,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:09,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:30:09,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:30:09,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:09,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:09,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 11:30:10,043 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:10,043 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:10,044 INFO L139 ounterexampleChecker]: Examining path program with hash -1473394293, occurence #2 [2024-11-23 11:30:10,044 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:10,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:10,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-23 11:30:10,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-23 11:30:10,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-23 11:30:10,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-23 11:30:10,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-23 11:30:10,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:10,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1429773528, now seen corresponding path program 1 times [2024-11-23 11:30:10,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:10,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492609960] [2024-11-23 11:30:10,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:10,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:10,180 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:10,180 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:10,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-23 11:30:10,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:10,268 INFO L85 PathProgramCache]: Analyzing trace with hash 892592831, now seen corresponding path program 1 times [2024-11-23 11:30:10,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:10,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615443622] [2024-11-23 11:30:10,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:10,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:30:10,413 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:10,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615443622] [2024-11-23 11:30:10,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615443622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:10,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:10,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:10,414 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 31. Constructing proof automaton... [2024-11-23 11:30:10,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:10,414 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-23 11:30:10,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:10,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-23 11:30:10,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:30:10,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:30:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:10,415 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:10,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:10,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-11-23 11:30:10,554 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:10,554 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:10,555 INFO L139 ounterexampleChecker]: Examining path program with hash -1473394293, occurence #3 [2024-11-23 11:30:10,555 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:10,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:10,556 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-23 11:30:10,558 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-23 11:30:10,558 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-23 11:30:10,558 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-23 11:30:10,558 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-23 11:30:10,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:10,683 INFO L85 PathProgramCache]: Analyzing trace with hash 856991565, now seen corresponding path program 1 times [2024-11-23 11:30:10,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:10,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695914487] [2024-11-23 11:30:10,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:10,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:10,729 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:10,729 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:10,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-23 11:30:10,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:10,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1215155236, now seen corresponding path program 1 times [2024-11-23 11:30:10,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:10,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621091135] [2024-11-23 11:30:10,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:10,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:10,874 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:10,874 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:10,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-11-23 11:30:10,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:10,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-23 11:30:10,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:10,975 INFO L85 PathProgramCache]: Analyzing trace with hash -24123615, now seen corresponding path program 1 times [2024-11-23 11:30:10,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:10,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719389796] [2024-11-23 11:30:10,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:10,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-23 11:30:11,686 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:11,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719389796] [2024-11-23 11:30:11,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719389796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:11,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1893681365] [2024-11-23 11:30:11,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:11,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:11,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:30:11,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-23 11:30:12,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1893681365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:12,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 11:30:12,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-23 11:30:12,098 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-23 11:30:12,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-23 11:30:12,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:12,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-11-23 11:30:12,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:12,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-11-23 11:30:12,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:12,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-11-23 11:30:12,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:12,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-23 11:30:12,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:12,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-23 11:30:12,101 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:12,101 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:12,101 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:12,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:12,101 INFO L85 PathProgramCache]: Analyzing trace with hash -503051170, now seen corresponding path program 1 times [2024-11-23 11:30:12,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:12,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489699022] [2024-11-23 11:30:12,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-23 11:30:12,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:12,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489699022] [2024-11-23 11:30:12,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489699022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:12,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845650016] [2024-11-23 11:30:12,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:12,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:12,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:12,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:12,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 11:30:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:13,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:30:13,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-23 11:30:13,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:13,532 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-11-23 11:30:13,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845650016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:13,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:13,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-23 11:30:13,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788071680] [2024-11-23 11:30:13,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:13,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 11:30:13,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:13,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 11:30:13,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-23 11:30:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:13,534 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:13,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:13,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:13,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:14,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-23 11:30:14,054 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:14,054 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:14,055 INFO L139 ounterexampleChecker]: Examining path program with hash -1473394293, occurence #4 [2024-11-23 11:30:14,055 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:14,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:14,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:14,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-23 11:30:14,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:14,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-23 11:30:14,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:14,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-23 11:30:14,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:14,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-23 11:30:14,055 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:14,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-23 11:30:14,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash -723894686, now seen corresponding path program 1 times [2024-11-23 11:30:14,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:14,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322873146] [2024-11-23 11:30:14,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:14,196 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:14,196 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:14,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:30:14,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:14,284 INFO L85 PathProgramCache]: Analyzing trace with hash -296640839, now seen corresponding path program 1 times [2024-11-23 11:30:14,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:14,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302753384] [2024-11-23 11:30:14,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:14,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:14,329 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:14,330 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:14,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-11-23 11:30:14,330 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:14,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-11-23 11:30:14,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:14,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1679279714, now seen corresponding path program 1 times [2024-11-23 11:30:14,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:14,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311670993] [2024-11-23 11:30:14,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:14,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-23 11:30:14,991 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:14,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311670993] [2024-11-23 11:30:14,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311670993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:14,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [931121659] [2024-11-23 11:30:14,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:15,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:30:15,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-23 11:30:15,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [931121659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:15,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 11:30:15,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-23 11:30:15,376 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-23 11:30:15,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-23 11:30:15,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-23 11:30:15,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2024-11-23 11:30:15,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-23 11:30:15,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-11-23 11:30:15,377 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-11-23 11:30:15,377 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:15,377 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:15,377 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:15,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:15,378 INFO L85 PathProgramCache]: Analyzing trace with hash 795362836, now seen corresponding path program 2 times [2024-11-23 11:30:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:15,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478480294] [2024-11-23 11:30:15,378 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:15,478 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:15,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-23 11:30:16,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:16,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478480294] [2024-11-23 11:30:16,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478480294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:16,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963879780] [2024-11-23 11:30:16,156 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:16,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:16,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:16,159 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:16,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 11:30:16,402 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:16,402 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:16,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 11:30:16,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-23 11:30:16,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 11:30:16,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963879780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:16,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 11:30:16,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-23 11:30:16,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220397551] [2024-11-23 11:30:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:16,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:30:16,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:16,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:30:16,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 11:30:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:16,514 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:16,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:16,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:16,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:17,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:17,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 11:30:17,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-11-23 11:30:17,274 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:17,274 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:17,275 INFO L139 ounterexampleChecker]: Examining path program with hash 1667638914, occurence #1 [2024-11-23 11:30:17,275 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:17,275 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:17,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:17,275 INFO L85 PathProgramCache]: Analyzing trace with hash -294727180, now seen corresponding path program 3 times [2024-11-23 11:30:17,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:17,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012239485] [2024-11-23 11:30:17,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:17,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:17,355 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 11:30:17,355 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-23 11:30:17,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:17,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012239485] [2024-11-23 11:30:17,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012239485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:17,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509922145] [2024-11-23 11:30:17,611 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:17,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:17,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:17,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 11:30:17,822 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 11:30:17,822 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:17,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 11:30:17,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-23 11:30:18,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-11-23 11:30:18,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509922145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:18,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:18,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-23 11:30:18,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969935446] [2024-11-23 11:30:18,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:18,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 11:30:18,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:18,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 11:30:18,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-23 11:30:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:18,663 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:18,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:18,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 11:30:19,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-23 11:30:19,033 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:19,033 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:19,033 INFO L139 ounterexampleChecker]: Examining path program with hash 1667638914, occurence #2 [2024-11-23 11:30:19,033 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:19,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:19,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:19,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-23 11:30:19,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:19,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-23 11:30:19,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:19,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-23 11:30:19,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:19,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:30:19,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:19,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-23 11:30:19,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:19,119 INFO L85 PathProgramCache]: Analyzing trace with hash 683535160, now seen corresponding path program 1 times [2024-11-23 11:30:19,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:19,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49765271] [2024-11-23 11:30:19,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:19,161 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:19,162 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:19,162 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:30:19,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:19,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1049352527, now seen corresponding path program 1 times [2024-11-23 11:30:19,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:19,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468986994] [2024-11-23 11:30:19,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:19,277 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:19,277 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:19,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-23 11:30:19,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:19,390 INFO L85 PathProgramCache]: Analyzing trace with hash -520816001, now seen corresponding path program 1 times [2024-11-23 11:30:19,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:19,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270916228] [2024-11-23 11:30:19,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:19,458 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:19,458 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:19,458 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-23 11:30:19,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:19,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1801145979, now seen corresponding path program 1 times [2024-11-23 11:30:19,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:19,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021474665] [2024-11-23 11:30:19,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-23 11:30:20,092 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:20,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021474665] [2024-11-23 11:30:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021474665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:20,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [425367748] [2024-11-23 11:30:20,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:20,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 11:30:20,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-23 11:30:20,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [425367748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:20,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 11:30:20,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-23 11:30:20,570 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-23 11:30:20,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2024-11-23 11:30:20,571 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:20,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-11-23 11:30:20,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:20,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2070070387, now seen corresponding path program 1 times [2024-11-23 11:30:20,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:20,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657244221] [2024-11-23 11:30:20,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:20,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 293 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-23 11:30:21,475 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:21,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657244221] [2024-11-23 11:30:21,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657244221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:21,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1293330181] [2024-11-23 11:30:21,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:21,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:30:21,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 306 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-23 11:30:22,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1293330181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:22,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 11:30:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-23 11:30:22,239 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-23 11:30:22,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-11-23 11:30:22,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:22,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2024-11-23 11:30:22,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:22,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2024-11-23 11:30:22,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:22,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-11-23 11:30:22,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:22,241 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:22,241 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:22,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:22,241 INFO L85 PathProgramCache]: Analyzing trace with hash 238034447, now seen corresponding path program 4 times [2024-11-23 11:30:22,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:22,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421130589] [2024-11-23 11:30:22,242 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:30:22,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:22,337 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:30:22,337 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 421 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 11:30:23,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:23,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421130589] [2024-11-23 11:30:23,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421130589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:23,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972886521] [2024-11-23 11:30:23,011 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:30:23,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:23,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:23,014 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:23,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 11:30:23,348 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:30:23,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:23,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 11:30:23,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 520 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:30:25,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 472 proven. 51 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 11:30:27,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972886521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:27,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:27,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 23, 23] total 52 [2024-11-23 11:30:27,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198444230] [2024-11-23 11:30:27,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:27,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-23 11:30:27,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:27,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-23 11:30:27,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=1812, Unknown=0, NotChecked=0, Total=2652 [2024-11-23 11:30:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:27,188 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:27,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 12.384615384615385) internal successors, (644), 52 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:27,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:28,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:28,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:28,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-23 11:30:28,236 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:28,236 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:28,237 INFO L139 ounterexampleChecker]: Examining path program with hash 944392350, occurence #1 [2024-11-23 11:30:28,237 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:28,237 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:28,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1464044313, now seen corresponding path program 5 times [2024-11-23 11:30:28,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:28,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863244286] [2024-11-23 11:30:28,237 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:30:28,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:28,353 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-23 11:30:28,353 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-11-23 11:30:28,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:28,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863244286] [2024-11-23 11:30:28,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863244286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:28,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:28,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:28,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412704094] [2024-11-23 11:30:28,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:28,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:28,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:28,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:28,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:28,422 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:28,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:28,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:28,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:28,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:28,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:28,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:28,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-23 11:30:28,583 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:28,583 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:28,583 INFO L139 ounterexampleChecker]: Examining path program with hash 483010452, occurence #1 [2024-11-23 11:30:28,583 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:28,583 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:28,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:28,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1395968334, now seen corresponding path program 6 times [2024-11-23 11:30:28,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:28,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072806566] [2024-11-23 11:30:28,584 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:30:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:28,629 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-23 11:30:28,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-23 11:30:28,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072806566] [2024-11-23 11:30:28,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072806566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:28,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881148020] [2024-11-23 11:30:28,852 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:30:28,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:28,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:28,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:28,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 11:30:29,032 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-23 11:30:29,032 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:29,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 11:30:29,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-23 11:30:29,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-23 11:30:29,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881148020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:29,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:29,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-23 11:30:29,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301814826] [2024-11-23 11:30:29,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:29,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 11:30:29,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:29,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 11:30:29,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-23 11:30:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:29,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:29,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.166666666666666) internal successors, (158), 12 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:29,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:30,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:30,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-23 11:30:30,332 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:30,332 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:30,332 INFO L139 ounterexampleChecker]: Examining path program with hash 483010452, occurence #2 [2024-11-23 11:30:30,332 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:30,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:30,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:30,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-23 11:30:30,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:30,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-23 11:30:30,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:30,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-23 11:30:30,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:30,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-23 11:30:30,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:30,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-23 11:30:30,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:30,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1384749778, now seen corresponding path program 1 times [2024-11-23 11:30:30,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:30,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439863558] [2024-11-23 11:30:30,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:30,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:30,444 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:30,444 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:30,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-23 11:30:30,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1842364713, now seen corresponding path program 1 times [2024-11-23 11:30:30,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:30,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360591634] [2024-11-23 11:30:30,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:30,670 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:30,670 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:30,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-23 11:30:30,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:30,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1794430221, now seen corresponding path program 1 times [2024-11-23 11:30:30,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:30,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615550406] [2024-11-23 11:30:30,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:30,871 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:30,872 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:30,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-23 11:30:30,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:30,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-23 11:30:30,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1433919301, now seen corresponding path program 1 times [2024-11-23 11:30:30,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:30,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335193653] [2024-11-23 11:30:30,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:30,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 55 proven. 73 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 11:30:31,692 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-23 11:30:31,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335193653] [2024-11-23 11:30:31,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335193653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:31,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1610062651] [2024-11-23 11:30:31,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:31,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:31,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 11:30:31,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 62 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 11:30:32,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1610062651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:32,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 11:30:32,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-23 11:30:32,565 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-23 11:30:32,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-23 11:30:32,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:32,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-23 11:30:32,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:32,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2024-11-23 11:30:32,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:32,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2024-11-23 11:30:32,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:32,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-23 11:30:32,566 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:32,566 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:32,566 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:32,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:32,567 INFO L85 PathProgramCache]: Analyzing trace with hash 374499473, now seen corresponding path program 7 times [2024-11-23 11:30:32,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:32,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127033112] [2024-11-23 11:30:32,567 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:30:32,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 43 proven. 75 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 11:30:33,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:33,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127033112] [2024-11-23 11:30:33,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127033112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:33,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536292199] [2024-11-23 11:30:33,352 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:30:33,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:33,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:33,355 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:33,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 11:30:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:33,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 11:30:33,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-23 11:30:33,757 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 11:30:33,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536292199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:33,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 11:30:33,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2024-11-23 11:30:33,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549629708] [2024-11-23 11:30:33,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:33,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:30:33,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:33,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:30:33,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-23 11:30:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:33,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:33,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:33,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:33,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:33,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:34,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:34,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:34,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-23 11:30:34,309 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:34,309 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:34,309 INFO L139 ounterexampleChecker]: Examining path program with hash -492724430, occurence #1 [2024-11-23 11:30:34,309 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:34,309 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:34,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:34,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1532524904, now seen corresponding path program 8 times [2024-11-23 11:30:34,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:34,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367439827] [2024-11-23 11:30:34,310 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:34,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:34,368 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:34,368 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-23 11:30:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367439827] [2024-11-23 11:30:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367439827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:34,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:34,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:34,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895914383] [2024-11-23 11:30:34,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:34,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:34,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:34,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:34,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:34,431 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:34,431 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) [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:34,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-23 11:30:34,529 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:34,530 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:34,530 INFO L139 ounterexampleChecker]: Examining path program with hash -1898540842, occurence #1 [2024-11-23 11:30:34,530 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:34,530 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:34,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:34,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2025886623, now seen corresponding path program 9 times [2024-11-23 11:30:34,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:34,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084339306] [2024-11-23 11:30:34,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:34,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:34,630 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-23 11:30:34,630 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-23 11:30:34,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:34,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084339306] [2024-11-23 11:30:34,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084339306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:34,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564955180] [2024-11-23 11:30:34,923 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:34,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:34,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:34,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 11:30:35,197 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-23 11:30:35,197 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:35,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 11:30:35,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-23 11:30:35,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-23 11:30:35,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564955180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:35,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:35,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-23 11:30:35,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292877472] [2024-11-23 11:30:35,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:35,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 11:30:35,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:35,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 11:30:35,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-23 11:30:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:35,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:35,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.61111111111111) internal successors, (155), 18 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:35,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:36,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:36,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:36,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:36,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:36,414 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:36,414 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:36,415 INFO L139 ounterexampleChecker]: Examining path program with hash -1898540842, occurence #2 [2024-11-23 11:30:36,415 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:36,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:36,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:36,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-23 11:30:36,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:36,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-23 11:30:36,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:36,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-23 11:30:36,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:36,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-23 11:30:36,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:36,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-23 11:30:36,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:36,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1380966251, now seen corresponding path program 1 times [2024-11-23 11:30:36,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:36,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465242568] [2024-11-23 11:30:36,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:36,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:36,525 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:36,525 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:36,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-23 11:30:36,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash 140665730, now seen corresponding path program 1 times [2024-11-23 11:30:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:36,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931372202] [2024-11-23 11:30:36,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:36,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:36,685 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:36,686 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:36,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-23 11:30:36,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:36,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1240376414, now seen corresponding path program 1 times [2024-11-23 11:30:36,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:36,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31891727] [2024-11-23 11:30:36,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:36,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:36,848 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:36,848 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:36,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-23 11:30:36,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:36,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1038563515, now seen corresponding path program 1 times [2024-11-23 11:30:36,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:36,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009832078] [2024-11-23 11:30:36,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:36,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:37,028 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:37,028 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:37,028 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 70 is hopeless, skipping. [2024-11-23 11:30:37,028 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 80 is hopeless, skipping. [2024-11-23 11:30:37,028 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 91 is hopeless, skipping. [2024-11-23 11:30:37,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:30:37,029 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:37,029 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 102 is hopeless, skipping. [2024-11-23 11:30:37,029 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2024-11-23 11:30:37,029 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-23 11:30:37,029 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:37,029 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-23 11:30:37,029 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:37,029 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-23 11:30:37,029 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:37,029 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2024-11-23 11:30:37,029 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:37,029 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:37,029 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:37,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:37,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1409561724, now seen corresponding path program 10 times [2024-11-23 11:30:37,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:37,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473453159] [2024-11-23 11:30:37,030 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:30:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:37,069 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:30:37,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 19 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 11:30:37,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:37,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473453159] [2024-11-23 11:30:37,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473453159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:37,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886401072] [2024-11-23 11:30:37,476 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:30:37,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:37,479 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:37,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 11:30:37,735 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:30:37,735 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:37,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 11:30:37,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 11:30:38,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-23 11:30:38,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886401072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:38,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:38,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-23 11:30:38,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232418215] [2024-11-23 11:30:38,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:38,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 11:30:38,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:38,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 11:30:38,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-23 11:30:38,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:38,681 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:38,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.833333333333334) internal successors, (213), 18 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:38,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:39,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:39,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:39,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 11:30:39,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-11-23 11:30:39,220 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:39,220 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:39,220 INFO L139 ounterexampleChecker]: Examining path program with hash -1898540842, occurence #3 [2024-11-23 11:30:39,221 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:39,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:39,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-23 11:30:39,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-23 11:30:39,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-23 11:30:39,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-23 11:30:39,221 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-23 11:30:39,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2090576490, now seen corresponding path program 1 times [2024-11-23 11:30:39,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:39,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254982728] [2024-11-23 11:30:39,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:39,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:39,368 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:39,368 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:39,368 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-23 11:30:39,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash -619750719, now seen corresponding path program 1 times [2024-11-23 11:30:39,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:39,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791638229] [2024-11-23 11:30:39,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:39,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:39,528 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:39,529 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:39,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-23 11:30:39,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1361578341, now seen corresponding path program 1 times [2024-11-23 11:30:39,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:39,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036362869] [2024-11-23 11:30:39,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:39,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:39,689 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:39,689 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:39,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-23 11:30:39,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:39,764 INFO L85 PathProgramCache]: Analyzing trace with hash 710047674, now seen corresponding path program 1 times [2024-11-23 11:30:39,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:39,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745111340] [2024-11-23 11:30:39,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:39,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:39,858 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:39,859 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:39,859 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 71 is hopeless, skipping. [2024-11-23 11:30:39,859 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2024-11-23 11:30:39,860 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2024-11-23 11:30:39,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:30:39,860 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,861 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 103 is hopeless, skipping. [2024-11-23 11:30:39,861 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 111 is hopeless, skipping. [2024-11-23 11:30:39,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-23 11:30:39,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-23 11:30:39,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-23 11:30:39,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:39,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-23 11:30:39,861 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:39,861 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:39,861 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:39,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:39,862 INFO L85 PathProgramCache]: Analyzing trace with hash 453962729, now seen corresponding path program 11 times [2024-11-23 11:30:39,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:39,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718598654] [2024-11-23 11:30:39,862 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:30:39,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:40,001 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-23 11:30:40,001 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 5 proven. 60 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 11:30:42,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:42,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718598654] [2024-11-23 11:30:42,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718598654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:42,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486607668] [2024-11-23 11:30:42,490 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:30:42,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:42,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:42,492 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:42,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 11:30:42,959 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-23 11:30:42,959 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:42,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 11:30:42,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-23 11:30:43,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:43,407 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-23 11:30:43,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-11-23 11:30:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-23 11:30:43,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486607668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:43,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:43,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 7, 6] total 26 [2024-11-23 11:30:43,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663277932] [2024-11-23 11:30:43,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:43,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-23 11:30:43,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:43,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-23 11:30:43,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2024-11-23 11:30:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:43,651 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:43,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.148148148148148) internal successors, (193), 26 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:43,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:43,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:43,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:45,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 11:30:45,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:45,373 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:45,373 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:45,374 INFO L139 ounterexampleChecker]: Examining path program with hash 1021500061, occurence #1 [2024-11-23 11:30:45,374 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:45,374 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:45,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:45,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1618748091, now seen corresponding path program 12 times [2024-11-23 11:30:45,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:45,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063805155] [2024-11-23 11:30:45,374 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:30:45,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:45,513 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-23 11:30:45,514 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-23 11:30:45,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:45,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063805155] [2024-11-23 11:30:45,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063805155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:45,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:45,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:30:45,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83101033] [2024-11-23 11:30:45,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:45,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:30:45,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:45,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:30:45,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:30:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:45,605 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:45,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:45,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:45,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:45,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:45,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:45,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:45,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:45,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-23 11:30:45,722 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:45,722 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:45,722 INFO L139 ounterexampleChecker]: Examining path program with hash -1737363063, occurence #1 [2024-11-23 11:30:45,722 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:45,722 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:45,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:45,722 INFO L85 PathProgramCache]: Analyzing trace with hash -2025074602, now seen corresponding path program 13 times [2024-11-23 11:30:45,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:45,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137727972] [2024-11-23 11:30:45,722 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:30:45,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-23 11:30:47,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137727972] [2024-11-23 11:30:47,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137727972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:47,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626329612] [2024-11-23 11:30:47,476 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:30:47,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:47,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:47,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 11:30:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:30:47,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 11:30:47,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 11:30:48,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:48,784 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-23 11:30:48,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-11-23 11:30:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-23 11:30:50,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626329612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:50,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:50,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 32 [2024-11-23 11:30:50,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080826417] [2024-11-23 11:30:50,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:50,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-23 11:30:50,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:50,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-23 11:30:50,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2024-11-23 11:30:50,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:50,411 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:50,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.8125) internal successors, (250), 32 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:50,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:50,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:30:52,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:52,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:52,196 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:52,196 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:52,196 INFO L139 ounterexampleChecker]: Examining path program with hash -1737363063, occurence #2 [2024-11-23 11:30:52,196 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:52,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-23 11:30:52,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:52,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-23 11:30:52,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:52,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-23 11:30:52,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:52,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-23 11:30:52,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:52,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-23 11:30:52,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:52,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:30:52,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash 2082017764, now seen corresponding path program 1 times [2024-11-23 11:30:52,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:52,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856506520] [2024-11-23 11:30:52,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:52,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:52,356 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:52,356 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:52,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-23 11:30:52,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:52,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1795952315, now seen corresponding path program 1 times [2024-11-23 11:30:52,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:52,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957400197] [2024-11-23 11:30:52,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:52,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:52,553 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:52,554 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:52,554 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:30:52,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:52,650 INFO L85 PathProgramCache]: Analyzing trace with hash 779985193, now seen corresponding path program 1 times [2024-11-23 11:30:52,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:52,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733389874] [2024-11-23 11:30:52,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:52,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:52,795 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:52,795 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:52,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-23 11:30:52,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:52,887 INFO L85 PathProgramCache]: Analyzing trace with hash 149751604, now seen corresponding path program 1 times [2024-11-23 11:30:52,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-23 11:30:52,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848028614] [2024-11-23 11:30:52,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:30:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 11:30:53,053 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-23 11:30:53,053 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-23 11:30:53,053 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 74 is hopeless, skipping. [2024-11-23 11:30:53,053 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 84 is hopeless, skipping. [2024-11-23 11:30:53,053 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 95 is hopeless, skipping. [2024-11-23 11:30:53,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-23 11:30:53,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:53,054 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2024-11-23 11:30:53,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-23 11:30:53,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:53,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2024-11-23 11:30:53,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:53,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-23 11:30:53,054 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:53,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-11-23 11:30:53,054 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:53,055 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:53,055 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:53,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:53,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1611539318, now seen corresponding path program 14 times [2024-11-23 11:30:53,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:53,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866212946] [2024-11-23 11:30:53,055 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:53,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:53,208 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:53,208 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-23 11:30:53,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:53,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866212946] [2024-11-23 11:30:53,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866212946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:53,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767345582] [2024-11-23 11:30:53,798 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:53,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:53,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:53,800 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:53,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 11:30:54,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:54,285 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:54,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 11:30:54,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:54,565 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-23 11:30:54,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:54,624 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-23 11:30:54,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-11-23 11:30:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-23 11:30:54,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767345582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:54,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:54,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 8] total 18 [2024-11-23 11:30:54,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354011225] [2024-11-23 11:30:54,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:54,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 11:30:54,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:54,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 11:30:54,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-23 11:30:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:54,817 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:54,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.666666666666667) internal successors, (138), 18 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:54,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:54,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:54,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:54,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:30:54,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:30:55,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:30:55,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-23 11:30:55,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:55,788 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:55,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:55,788 INFO L139 ounterexampleChecker]: Examining path program with hash -1535490124, occurence #1 [2024-11-23 11:30:55,788 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:55,788 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:55,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:55,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1548511255, now seen corresponding path program 15 times [2024-11-23 11:30:55,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:55,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936421823] [2024-11-23 11:30:55,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:56,058 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-23 11:30:56,058 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 11:30:56,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:56,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936421823] [2024-11-23 11:30:56,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936421823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:56,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148282459] [2024-11-23 11:30:56,559 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:56,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:56,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:56,561 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:56,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-23 11:30:57,533 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-23 11:30:57,533 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:57,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 11:30:57,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-23 11:30:57,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:57,844 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-23 11:30:57,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-11-23 11:30:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-23 11:30:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148282459] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:58,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:58,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 12] total 20 [2024-11-23 11:30:58,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546308983] [2024-11-23 11:30:58,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:58,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-23 11:30:58,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:58,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-23 11:30:58,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-23 11:30:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:58,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:58,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.0) internal successors, (189), 20 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:30:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:30:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:30:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:59,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-23 11:30:59,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:59,192 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-23 11:30:59,192 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:59,193 INFO L139 ounterexampleChecker]: Examining path program with hash -1275162827, occurence #1 [2024-11-23 11:30:59,193 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:30:59,193 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:59,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:59,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1590263258, now seen corresponding path program 16 times [2024-11-23 11:30:59,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:59,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108845075] [2024-11-23 11:30:59,193 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:30:59,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:59,258 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:30:59,258 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-23 11:30:59,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:59,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108845075] [2024-11-23 11:30:59,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108845075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:30:59,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:30:59,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 11:30:59,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745323582] [2024-11-23 11:30:59,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:30:59,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 11:30:59,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:59,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 11:30:59,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 11:30:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:59,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:59,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:59,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-23 11:30:59,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:31:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 11:31:21,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:31:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-23 11:31:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-23 11:31:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 11:31:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:31:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:31:21,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-23 11:31:21,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-23 11:31:21,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-23 11:31:21,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-23 11:31:21,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-23 11:31:21,426 INFO L422 BasicCegarLoop]: Path program histogram: [16, 6, 2, 2, 1] [2024-11-23 11:31:21,437 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:31:21,437 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:31:21,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-23 11:31:21,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:31:21 BasicIcfg [2024-11-23 11:31:21,463 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:31:21,463 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:31:21,463 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:31:21,464 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:31:21,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:30:01" (3/4) ... [2024-11-23 11:31:21,467 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 11:31:21,475 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-23 11:31:21,475 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-23 11:31:21,475 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-23 11:31:21,492 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2024-11-23 11:31:21,496 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-23 11:31:21,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-23 11:31:21,497 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 11:31:21,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:31:21,616 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:31:21,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:31:21,618 INFO L158 Benchmark]: Toolchain (without parser) took 82091.76ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 90.1MB in the beginning and 1.0GB in the end (delta: -949.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-23 11:31:21,618 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:31:21,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.98ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 76.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:31:21,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.34ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:31:21,620 INFO L158 Benchmark]: Boogie Preprocessor took 62.27ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:31:21,621 INFO L158 Benchmark]: RCFGBuilder took 1484.89ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 85.6MB in the end (delta: -13.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-23 11:31:21,622 INFO L158 Benchmark]: TraceAbstraction took 79982.74ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 84.9MB in the beginning and 1.0GB in the end (delta: -959.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-23 11:31:21,622 INFO L158 Benchmark]: Witness Printer took 153.12ms. Allocated memory is still 2.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:31:21,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.98ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 76.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.34ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.3MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.27ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1484.89ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 85.6MB in the end (delta: -13.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 79982.74ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 84.9MB in the beginning and 1.0GB in the end (delta: -959.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 153.12ms. Allocated memory is still 2.3GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 780350, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 131715, dependent conditional: 131692, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653072, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 4437, dependent conditional: 4414, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 653072, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 4437, dependent conditional: 4414, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 721908, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 73273, dependent conditional: 73250, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 721908, independent: 648635, independent conditional: 1158, independent unconditional: 647477, dependent: 73273, dependent conditional: 18444, dependent unconditional: 54829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 721908, independent: 648635, independent conditional: 1158, independent unconditional: 647477, dependent: 73273, dependent conditional: 18444, dependent unconditional: 54829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1900, independent: 1795, independent conditional: 17, independent unconditional: 1778, dependent: 105, dependent conditional: 82, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1900, independent: 1771, independent conditional: 0, independent unconditional: 1771, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 129, independent: 24, independent conditional: 17, independent unconditional: 7, dependent: 105, dependent conditional: 82, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, independent: 24, independent conditional: 17, independent unconditional: 7, dependent: 105, dependent conditional: 82, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7253, independent: 1444, independent conditional: 917, independent unconditional: 527, dependent: 5810, dependent conditional: 4076, dependent unconditional: 1734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 30, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 721908, independent: 646840, independent conditional: 1141, independent unconditional: 645699, dependent: 73168, dependent conditional: 18362, dependent unconditional: 54806, unknown: 1900, unknown conditional: 99, unknown unconditional: 1801] , Statistics on independence cache: Total cache size (in pairs): 1930, Positive cache size: 1825, Positive conditional cache size: 47, Positive unconditional cache size: 1778, Negative cache size: 105, Negative conditional cache size: 82, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 699263, Maximal queried relation: 21, Independence queries for same thread: 127278, Persistent sets #1 benchmarks: Persistent set computation time: 2.5s, Number of persistent set computation: 1107, Number of trivial persistent sets: 925, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3043, independent: 3020, independent conditional: 0, independent unconditional: 3020, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 780350, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 131715, dependent conditional: 131692, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653072, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 4437, dependent conditional: 4414, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 653072, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 4437, dependent conditional: 4414, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 721908, independent: 648635, independent conditional: 645615, independent unconditional: 3020, dependent: 73273, dependent conditional: 73250, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 721908, independent: 648635, independent conditional: 1158, independent unconditional: 647477, dependent: 73273, dependent conditional: 18444, dependent unconditional: 54829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 721908, independent: 648635, independent conditional: 1158, independent unconditional: 647477, dependent: 73273, dependent conditional: 18444, dependent unconditional: 54829, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1900, independent: 1795, independent conditional: 17, independent unconditional: 1778, dependent: 105, dependent conditional: 82, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1900, independent: 1771, independent conditional: 0, independent unconditional: 1771, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 129, independent: 24, independent conditional: 17, independent unconditional: 7, dependent: 105, dependent conditional: 82, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 129, independent: 24, independent conditional: 17, independent unconditional: 7, dependent: 105, dependent conditional: 82, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7253, independent: 1444, independent conditional: 917, independent unconditional: 527, dependent: 5810, dependent conditional: 4076, dependent unconditional: 1734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 30, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 721908, independent: 646840, independent conditional: 1141, independent unconditional: 645699, dependent: 73168, dependent conditional: 18362, dependent unconditional: 54806, unknown: 1900, unknown conditional: 99, unknown unconditional: 1801] , Statistics on independence cache: Total cache size (in pairs): 1930, Positive cache size: 1825, Positive conditional cache size: 47, Positive unconditional cache size: 1778, Negative cache size: 105, Negative conditional cache size: 82, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 699263, Maximal queried relation: 21, Independence queries for same thread: 127278 - PositiveResult [Line: 162]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 79.7s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 16, EmptinessCheckTime: 35.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 295, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 6594 NumberOfCodeBlocks, 5287 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 8243 ConstructedInterpolants, 1 QuantifiedInterpolants, 31312 SizeOfPredicates, 61 NumberOfNonLiveVariables, 6899 ConjunctsInSsa, 167 ConjunctsInUnsatCore, 49 InterpolantComputations, 17 PerfectInterpolantSequences, 8882/9492 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 2, ConComChecker Statistics: CheckTime [ms]: 10985, ConditionCalculationTime [ms]: 2597, ConditionCalculations: 108, QuantifiedConditions: 0, TraceChecks: 30, UnknownTraceChecks: 0, ImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 11:31:21,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c48e51-4878-4057-a764-7e78a098ccbf/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE