./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco --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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 06:22:29,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:22:29,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:22:29,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:22:29,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:22:29,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:22:29,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:22:29,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:22:29,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:22:29,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:22:29,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:22:29,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:22:29,347 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:22:29,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:22:29,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:22:29,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:22:29,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:22:29,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:22:29,350 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:22:29,350 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_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco 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 -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-27 06:22:29,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:22:29,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:22:29,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:22:29,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:22:29,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:22:29,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-27 06:22:32,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/data/af9418d63/4486ae86d8e34f29a912c249b4e96b58/FLAG19b65d685 [2024-11-27 06:22:32,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:22:32,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-27 06:22:32,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/data/af9418d63/4486ae86d8e34f29a912c249b4e96b58/FLAG19b65d685 [2024-11-27 06:22:33,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/data/af9418d63/4486ae86d8e34f29a912c249b4e96b58 [2024-11-27 06:22:33,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:22:33,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:22:33,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:22:33,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:22:33,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:22:33,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d5d414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33, skipping insertion in model container [2024-11-27 06:22:33,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:22:33,501 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_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2904,2917] [2024-11-27 06:22:33,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:22:33,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:22:33,551 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_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2904,2917] [2024-11-27 06:22:33,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:22:33,574 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:22:33,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33 WrapperNode [2024-11-27 06:22:33,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:22:33,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:22:33,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:22:33,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:22:33,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,622 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 264 [2024-11-27 06:22:33,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:22:33,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:22:33,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:22:33,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:22:33,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:22:33,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:22:33,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:22:33,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:22:33,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (1/1) ... [2024-11-27 06:22:33,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:22:33,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:33,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:22:33,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:22:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:22:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 06:22:33,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 06:22:33,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 06:22:33,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 06:22:33,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 06:22:33,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 06:22:33,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:22:33,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:22:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:22:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:22:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:22:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:22:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:22:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:22:33,765 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:22:33,915 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:22:33,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:22:34,529 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:22:34,530 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:22:35,115 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:22:35,115 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-27 06:22:35,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:22:35 BoogieIcfgContainer [2024-11-27 06:22:35,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:22:35,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:22:35,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:22:35,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:22:35,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:22:33" (1/3) ... [2024-11-27 06:22:35,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eebc842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:22:35, skipping insertion in model container [2024-11-27 06:22:35,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:22:33" (2/3) ... [2024-11-27 06:22:35,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eebc842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:22:35, skipping insertion in model container [2024-11-27 06:22:35,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:22:35" (3/3) ... [2024-11-27 06:22:35,131 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-27 06:22:35,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:22:35,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 40 locations, 1 initial locations, 8 loop locations, and 1 error locations. [2024-11-27 06:22:35,157 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:22:35,261 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 06:22:35,336 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:22:35,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:22:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:35,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:22:35,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:22:35,457 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:22:35,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:22:35,513 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;@6c5845cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:22:35,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 06:22:35,941 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)] === [2024-11-27 06:22:35,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:35,942 INFO L139 ounterexampleChecker]: Examining path program with hash 848504468, occurence #1 [2024-11-27 06:22:35,942 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:22:35,942 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:35,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:35,949 INFO L85 PathProgramCache]: Analyzing trace with hash -793848148, now seen corresponding path program 1 times [2024-11-27 06:22:35,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:35,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40055125] [2024-11-27 06:22:35,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:36,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:36,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40055125] [2024-11-27 06:22:36,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40055125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:22:36,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:22:36,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 06:22:36,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224159805] [2024-11-27 06:22:36,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:22:36,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 06:22:36,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:36,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 06:22:36,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 06:22:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:36,233 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:36,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-27 06:22:36,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:36,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:36,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:22:36,370 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)] === [2024-11-27 06:22:36,370 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:36,371 INFO L139 ounterexampleChecker]: Examining path program with hash 1507163776, occurence #1 [2024-11-27 06:22:36,371 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:22:36,371 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:36,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:36,372 INFO L85 PathProgramCache]: Analyzing trace with hash -12406724, now seen corresponding path program 1 times [2024-11-27 06:22:36,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:36,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003340529] [2024-11-27 06:22:36,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:36,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:36,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:36,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:36,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003340529] [2024-11-27 06:22:36,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003340529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:22:36,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:22:36,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:22:36,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138524661] [2024-11-27 06:22:36,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:22:36,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:22:36,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:36,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:22:36,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:22:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:36,890 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:36,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-27 06:22:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:36,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:37,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:37,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:37,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 06:22:37,065 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)] === [2024-11-27 06:22:37,065 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:37,065 INFO L139 ounterexampleChecker]: Examining path program with hash 1507163776, occurence #2 [2024-11-27 06:22:37,065 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:37,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:37,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:37,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-27 06:22:37,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:37,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:22:37,089 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:37,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:22:37,089 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:37,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:22:37,089 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:37,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:22:37,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:37,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-27 06:22:37,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:37,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:22:37,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:37,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:22:37,090 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:37,090 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:37,090 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:37,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:37,091 INFO L85 PathProgramCache]: Analyzing trace with hash -2125453102, now seen corresponding path program 1 times [2024-11-27 06:22:37,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:37,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211123574] [2024-11-27 06:22:37,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 06:22:37,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211123574] [2024-11-27 06:22:37,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211123574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:22:37,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:22:37,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 06:22:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346360774] [2024-11-27 06:22:37,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:22:37,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 06:22:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:37,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 06:22:37,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 06:22:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:37,304 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:37,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-27 06:22:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:37,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:37,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:37,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 06:22:37,696 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)] === [2024-11-27 06:22:37,696 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:37,696 INFO L139 ounterexampleChecker]: Examining path program with hash -1636329802, occurence #1 [2024-11-27 06:22:37,696 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:22:37,696 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:37,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:37,696 INFO L85 PathProgramCache]: Analyzing trace with hash -2097237412, now seen corresponding path program 1 times [2024-11-27 06:22:37,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:37,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853953108] [2024-11-27 06:22:37,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:37,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:38,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:38,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853953108] [2024-11-27 06:22:38,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853953108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:38,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785779306] [2024-11-27 06:22:38,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:38,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:38,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:38,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:38,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 06:22:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:38,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:22:38,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:38,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:38,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785779306] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:38,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:38,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-27 06:22:38,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512489962] [2024-11-27 06:22:38,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:38,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 06:22:38,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:38,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 06:22:38,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-27 06:22:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:38,667 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:38,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 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) [2024-11-27 06:22:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:38,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:38,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:39,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:39,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:39,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:39,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 06:22:39,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:39,206 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)] === [2024-11-27 06:22:39,206 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:39,207 INFO L139 ounterexampleChecker]: Examining path program with hash -1636329802, occurence #2 [2024-11-27 06:22:39,207 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:39,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:39,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:22:39,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:22:39,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:39,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:22:39,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:39,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:22:39,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:39,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-27 06:22:39,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-27 06:22:39,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-27 06:22:39,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:39,289 INFO L85 PathProgramCache]: Analyzing trace with hash -143164644, now seen corresponding path program 1 times [2024-11-27 06:22:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:22:39,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380987183] [2024-11-27 06:22:39,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:39,651 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:22:39,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380987183] [2024-11-27 06:22:39,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380987183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:39,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1813295368] [2024-11-27 06:22:39,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:39,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:39,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 06:22:39,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:22:39,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1813295368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:39,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:22:39,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-27 06:22:39,939 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:22:39,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-27 06:22:39,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-27 06:22:39,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-27 06:22:39,940 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:39,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-27 06:22:39,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:39,941 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:39,941 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:39,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:39,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1303431558, now seen corresponding path program 2 times [2024-11-27 06:22:39,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:39,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248906052] [2024-11-27 06:22:39,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:22:39,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:40,001 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 06:22:40,001 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 06:22:40,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:40,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248906052] [2024-11-27 06:22:40,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248906052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:22:40,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:22:40,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 06:22:40,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042624234] [2024-11-27 06:22:40,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:22:40,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 06:22:40,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:40,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 06:22:40,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-27 06:22:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:40,303 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:40,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 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) [2024-11-27 06:22:40,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:40,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:40,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:40,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:40,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:40,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-11-27 06:22:40,639 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)] === [2024-11-27 06:22:40,640 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:40,640 INFO L139 ounterexampleChecker]: Examining path program with hash -691762969, occurence #1 [2024-11-27 06:22:40,640 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:22:40,640 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:40,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash 926245903, now seen corresponding path program 3 times [2024-11-27 06:22:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:40,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701481258] [2024-11-27 06:22:40,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:22:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:40,835 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:22:40,835 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 06:22:42,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:42,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701481258] [2024-11-27 06:22:42,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701481258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:22:42,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:22:42,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-27 06:22:42,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99231969] [2024-11-27 06:22:42,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:22:42,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 06:22:42,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:42,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 06:22:42,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-27 06:22:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:42,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:42,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:22:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:42,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:42,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:42,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 06:22:42,971 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)] === [2024-11-27 06:22:42,971 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:42,971 INFO L139 ounterexampleChecker]: Examining path program with hash -691762969, occurence #2 [2024-11-27 06:22:42,971 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:42,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:42,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:22:42,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:22:42,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:42,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:22:42,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:42,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:22:42,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:42,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-27 06:22:42,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-27 06:22:42,973 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-27 06:22:42,973 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-27 06:22:42,973 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-27 06:22:42,973 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-27 06:22:42,973 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,973 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:22:42,973 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:42,974 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-27 06:22:42,974 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:42,974 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:42,974 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:42,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:42,975 INFO L85 PathProgramCache]: Analyzing trace with hash 769124007, now seen corresponding path program 1 times [2024-11-27 06:22:42,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:42,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191980793] [2024-11-27 06:22:42,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-27 06:22:43,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:43,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191980793] [2024-11-27 06:22:43,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191980793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:43,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599027336] [2024-11-27 06:22:43,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:43,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:43,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:43,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:43,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 06:22:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:43,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 06:22:43,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:43,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:22:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-27 06:22:43,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:43,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:22:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-27 06:22:43,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599027336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:43,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:43,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-27 06:22:43,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735035237] [2024-11-27 06:22:43,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:43,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 06:22:43,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:43,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 06:22:43,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-27 06:22:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:43,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:43,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 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) [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:43,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:43,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 06:22:44,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:44,170 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)] === [2024-11-27 06:22:44,170 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:44,171 INFO L139 ounterexampleChecker]: Examining path program with hash -691762969, occurence #3 [2024-11-27 06:22:44,171 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:44,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:44,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-27 06:22:44,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-27 06:22:44,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:44,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-27 06:22:44,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:44,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:22:44,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:44,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-27 06:22:44,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-27 06:22:44,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-27 06:22:44,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-27 06:22:44,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-27 06:22:44,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-27 06:22:44,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-27 06:22:44,172 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:44,172 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-27 06:22:44,172 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:44,172 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:44,172 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:44,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:44,173 INFO L85 PathProgramCache]: Analyzing trace with hash 193312527, now seen corresponding path program 2 times [2024-11-27 06:22:44,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:44,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393523735] [2024-11-27 06:22:44,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:22:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:44,256 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:22:44,260 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 06:22:44,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:44,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393523735] [2024-11-27 06:22:44,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393523735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:44,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897546020] [2024-11-27 06:22:44,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:22:44,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:44,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:44,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:44,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 06:22:44,768 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:22:44,768 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:44,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 06:22:44,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:44,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:22:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-27 06:22:45,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:45,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:22:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-27 06:22:45,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897546020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:45,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:45,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22 [2024-11-27 06:22:45,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884739934] [2024-11-27 06:22:45,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:45,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 06:22:45,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:45,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 06:22:45,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-11-27 06:22:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:45,240 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:45,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.045454545454546) internal successors, (111), 22 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:45,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:45,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:45,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 06:22:45,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 06:22:45,883 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)] === [2024-11-27 06:22:45,883 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:45,883 INFO L139 ounterexampleChecker]: Examining path program with hash -691762969, occurence #4 [2024-11-27 06:22:45,883 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:45,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:45,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:22:45,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:22:45,884 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:45,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:22:45,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:45,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:22:45,885 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:45,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:22:45,885 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-27 06:22:45,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-27 06:22:45,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-27 06:22:45,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-27 06:22:45,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-27 06:22:45,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-27 06:22:45,886 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:45,886 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:22:45,886 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:45,887 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:45,887 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:45,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:45,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1837949649, now seen corresponding path program 3 times [2024-11-27 06:22:45,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:45,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798663726] [2024-11-27 06:22:45,890 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:22:45,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:46,000 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:22:46,000 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-27 06:22:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798663726] [2024-11-27 06:22:46,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798663726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661440471] [2024-11-27 06:22:46,274 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:22:46,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:46,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:46,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 06:22:46,437 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-27 06:22:46,437 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:46,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 06:22:46,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-27 06:22:46,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-27 06:22:47,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661440471] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:47,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:47,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-27 06:22:47,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294850416] [2024-11-27 06:22:47,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:47,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 06:22:47,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:47,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 06:22:47,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-27 06:22:47,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:47,132 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:47,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:47,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:47,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:47,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 06:22:47,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:47,647 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)] === [2024-11-27 06:22:47,647 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:47,648 INFO L139 ounterexampleChecker]: Examining path program with hash -691762969, occurence #5 [2024-11-27 06:22:47,648 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:47,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:47,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-27 06:22:47,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:22:47,648 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:22:47,649 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:22:47,649 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-27 06:22:47,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-27 06:22:47,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-27 06:22:47,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:47,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-27 06:22:47,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:47,650 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:47,651 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:47,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:47,651 INFO L85 PathProgramCache]: Analyzing trace with hash -18737390, now seen corresponding path program 4 times [2024-11-27 06:22:47,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:47,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391659586] [2024-11-27 06:22:47,652 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:22:47,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:47,688 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:22:47,689 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 06:22:48,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391659586] [2024-11-27 06:22:48,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391659586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:48,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979464752] [2024-11-27 06:22:48,347 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:22:48,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:48,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:48,350 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:48,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 06:22:48,490 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:22:48,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:48,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 06:22:48,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:49,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-27 06:22:49,460 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 06:22:49,461 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:49,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:22:49,802 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 25 treesize of output 17 [2024-11-27 06:22:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 06:22:50,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979464752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:50,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:50,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 15] total 43 [2024-11-27 06:22:50,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832355784] [2024-11-27 06:22:50,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:50,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-27 06:22:50,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:50,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-27 06:22:50,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1467, Unknown=0, NotChecked=0, Total=1806 [2024-11-27 06:22:50,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:50,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:50,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.116279069767442) internal successors, (220), 43 states have internal predecessors, (220), 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) [2024-11-27 06:22:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:50,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:50,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:50,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:50,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:50,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:50,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:51,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:51,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 06:22:51,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:51,700 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)] === [2024-11-27 06:22:51,701 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:51,701 INFO L139 ounterexampleChecker]: Examining path program with hash 449066143, occurence #1 [2024-11-27 06:22:51,701 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:22:51,701 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:51,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:51,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1491428342, now seen corresponding path program 5 times [2024-11-27 06:22:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:51,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825977295] [2024-11-27 06:22:51,702 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:22:51,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:51,841 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-27 06:22:51,841 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-27 06:22:52,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825977295] [2024-11-27 06:22:52,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825977295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461363591] [2024-11-27 06:22:52,258 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:22:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:52,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:52,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 06:22:52,542 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-27 06:22:52,542 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:52,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 06:22:52,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:52,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:22:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-27 06:22:52,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:22:53,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:22:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-27 06:22:53,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461363591] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:22:53,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:22:53,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2024-11-27 06:22:53,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377921329] [2024-11-27 06:22:53,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:22:53,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-27 06:22:53,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:22:53,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-27 06:22:53,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-11-27 06:22:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:53,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:22:53,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.178571428571429) internal successors, (173), 28 states have internal predecessors, (173), 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) [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:53,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:22:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:22:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:22:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:22:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:22:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:22:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:22:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:22:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:22:53,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 06:22:53,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 06:22:53,893 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)] === [2024-11-27 06:22:53,893 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:22:53,894 INFO L139 ounterexampleChecker]: Examining path program with hash 449066143, occurence #2 [2024-11-27 06:22:53,894 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:22:53,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:22:53,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:53,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:22:53,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:53,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-27 06:22:53,894 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:53,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-27 06:22:53,894 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:53,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:22:53,895 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:53,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-27 06:22:53,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:53,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-27 06:22:53,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:53,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1773020155, now seen corresponding path program 1 times [2024-11-27 06:22:53,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:22:53,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564086724] [2024-11-27 06:22:53,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:53,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:22:54,394 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:22:54,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564086724] [2024-11-27 06:22:54,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564086724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [825373889] [2024-11-27 06:22:54,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:54,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 06:22:54,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:54,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:22:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-27 06:22:54,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [825373889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:54,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:22:54,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2024-11-27 06:22:54,847 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:22:54,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-27 06:22:54,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:54,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-27 06:22:54,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:54,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-11-27 06:22:54,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:54,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-27 06:22:54,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:54,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-27 06:22:54,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash 892575094, now seen corresponding path program 1 times [2024-11-27 06:22:54,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:22:54,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440706491] [2024-11-27 06:22:54,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 74 proven. 29 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 06:22:55,563 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:22:55,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440706491] [2024-11-27 06:22:55,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440706491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:55,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [21714636] [2024-11-27 06:22:55,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:22:55,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:22:55,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 06:22:55,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:56,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:22:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 93 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 06:22:56,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [21714636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:56,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:22:56,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2024-11-27 06:22:56,083 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:22:56,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-27 06:22:56,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:56,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-11-27 06:22:56,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:56,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-11-27 06:22:56,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:22:56,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-27 06:22:56,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:22:56,084 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:22:56,084 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:22:56,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:22:56,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1240345332, now seen corresponding path program 6 times [2024-11-27 06:22:56,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:22:56,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335869730] [2024-11-27 06:22:56,085 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:22:56,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:22:56,201 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-27 06:22:56,201 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-27 06:22:57,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:22:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335869730] [2024-11-27 06:22:57,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335869730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:22:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947258391] [2024-11-27 06:22:57,268 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:22:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:22:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:22:57,271 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:22:57,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 06:22:57,568 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-11-27 06:22:57,568 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:22:57,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 06:22:57,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:22:59,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:22:59,003 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 24 treesize of output 17 [2024-11-27 06:22:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 71 proven. 7 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-27 06:22:59,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:00,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:23:00,220 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 25 treesize of output 17 [2024-11-27 06:23:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 31 proven. 47 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-27 06:23:00,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947258391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:00,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:00,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 46 [2024-11-27 06:23:00,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077275604] [2024-11-27 06:23:00,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:00,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-27 06:23:00,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:00,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-27 06:23:00,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1750, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 06:23:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:00,709 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:00,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.5) internal successors, (253), 46 states have internal predecessors, (253), 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) [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:00,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:04,319 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork2_~i~0#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-27 06:23:04,575 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork2_~i~0#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:04,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 06:23:05,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-27 06:23:05,056 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)] === [2024-11-27 06:23:05,057 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:05,057 INFO L139 ounterexampleChecker]: Examining path program with hash -1787909394, occurence #1 [2024-11-27 06:23:05,057 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:23:05,057 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:05,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:05,058 INFO L85 PathProgramCache]: Analyzing trace with hash -948824899, now seen corresponding path program 7 times [2024-11-27 06:23:05,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:05,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159308744] [2024-11-27 06:23:05,058 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:23:05,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 331 proven. 29 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2024-11-27 06:23:06,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:06,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159308744] [2024-11-27 06:23:06,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159308744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:06,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269375739] [2024-11-27 06:23:06,202 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:23:06,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:06,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:06,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:06,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 06:23:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:06,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 06:23:06,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:06,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 322 proven. 10 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-27 06:23:06,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:07,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:23:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 322 proven. 10 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-27 06:23:07,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269375739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:07,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:07,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2024-11-27 06:23:07,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700820149] [2024-11-27 06:23:07,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:07,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-27 06:23:07,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:07,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-27 06:23:07,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=946, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 06:23:07,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:07,265 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:07,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.264705882352941) internal successors, (179), 34 states have internal predecessors, (179), 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) [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:07,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:07,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:07,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 06:23:07,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:07,888 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)] === [2024-11-27 06:23:07,888 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:07,888 INFO L139 ounterexampleChecker]: Examining path program with hash -1787909394, occurence #2 [2024-11-27 06:23:07,888 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:07,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:07,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:07,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:23:07,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:07,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-27 06:23:07,889 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:07,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:23:07,889 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:07,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:23:07,889 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:07,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-27 06:23:07,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:07,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-27 06:23:07,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:07,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1676534787, now seen corresponding path program 1 times [2024-11-27 06:23:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:07,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604421101] [2024-11-27 06:23:07,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:07,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:23:08,099 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:23:08,099 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:23:08,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-27 06:23:08,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-11-27 06:23:08,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-27 06:23:08,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-11-27 06:23:08,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-27 06:23:08,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-27 06:23:08,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-27 06:23:08,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-11-27 06:23:08,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-11-27 06:23:08,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-11-27 06:23:08,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-11-27 06:23:08,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-11-27 06:23:08,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:08,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-11-27 06:23:08,103 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:08,103 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:08,103 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:08,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:08,104 INFO L85 PathProgramCache]: Analyzing trace with hash -872538667, now seen corresponding path program 8 times [2024-11-27 06:23:08,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:08,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344096036] [2024-11-27 06:23:08,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:23:08,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:08,242 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:23:08,242 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 424 proven. 43 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-27 06:23:09,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:09,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344096036] [2024-11-27 06:23:09,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344096036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:09,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484053013] [2024-11-27 06:23:09,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:23:09,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:09,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:09,355 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:09,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 06:23:09,681 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:23:09,681 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:09,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 06:23:09,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:10,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 388 proven. 17 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-27 06:23:10,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:10,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:23:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 388 proven. 17 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-27 06:23:10,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484053013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:10,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:10,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 40 [2024-11-27 06:23:10,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501226921] [2024-11-27 06:23:10,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:10,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-27 06:23:10,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:10,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-27 06:23:10,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1321, Unknown=0, NotChecked=0, Total=1560 [2024-11-27 06:23:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:10,684 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:10,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.4) internal successors, (216), 40 states have internal predecessors, (216), 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) [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:10,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:10,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:11,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 06:23:11,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:11,316 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)] === [2024-11-27 06:23:11,317 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:11,317 INFO L139 ounterexampleChecker]: Examining path program with hash -1787909394, occurence #3 [2024-11-27 06:23:11,317 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:11,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:11,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:23:11,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-27 06:23:11,318 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:11,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:23:11,318 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:11,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:23:11,321 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:11,321 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-27 06:23:11,321 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,321 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-27 06:23:11,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:11,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1238554910, now seen corresponding path program 1 times [2024-11-27 06:23:11,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:11,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598082156] [2024-11-27 06:23:11,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:11,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:23:11,489 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:23:11,490 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-11-27 06:23:11,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-27 06:23:11,491 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-11-27 06:23:11,491 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,491 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-11-27 06:23:11,492 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:11,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-11-27 06:23:11,492 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:11,492 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:11,492 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:11,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:11,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1492334525, now seen corresponding path program 9 times [2024-11-27 06:23:11,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:11,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252947818] [2024-11-27 06:23:11,493 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:23:11,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:11,646 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-27 06:23:11,646 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 31 proven. 350 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 06:23:12,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252947818] [2024-11-27 06:23:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252947818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669855460] [2024-11-27 06:23:12,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:23:12,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:12,360 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:12,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 06:23:12,914 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-27 06:23:12,914 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:12,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 06:23:12,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:13,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 31 proven. 350 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 06:23:13,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:13,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:23:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 31 proven. 350 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 06:23:14,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669855460] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:14,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:14,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 45 [2024-11-27 06:23:14,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783072826] [2024-11-27 06:23:14,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:14,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-27 06:23:14,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:14,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-27 06:23:14,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=1610, Unknown=0, NotChecked=0, Total=1980 [2024-11-27 06:23:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:14,445 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:14,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.7555555555555555) internal successors, (259), 45 states have internal predecessors, (259), 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) [2024-11-27 06:23:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:14,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:14,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:14,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 06:23:14,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:14,950 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)] === [2024-11-27 06:23:14,950 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:14,951 INFO L139 ounterexampleChecker]: Examining path program with hash -1787909394, occurence #4 [2024-11-27 06:23:14,951 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:14,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:14,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:14,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-27 06:23:14,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:14,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-27 06:23:14,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:14,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:23:14,953 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:14,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:23:14,953 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:14,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-27 06:23:14,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:14,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-27 06:23:14,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:14,987 INFO L85 PathProgramCache]: Analyzing trace with hash 554210849, now seen corresponding path program 1 times [2024-11-27 06:23:14,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:14,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713850484] [2024-11-27 06:23:14,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:23:15,088 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:23:15,088 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:23:15,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-27 06:23:15,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-27 06:23:15,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-11-27 06:23:15,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-27 06:23:15,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-27 06:23:15,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-27 06:23:15,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-11-27 06:23:15,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-11-27 06:23:15,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-27 06:23:15,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-11-27 06:23:15,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-11-27 06:23:15,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,090 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-11-27 06:23:15,090 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:15,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2024-11-27 06:23:15,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:15,091 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:15,091 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:15,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1900569923, now seen corresponding path program 10 times [2024-11-27 06:23:15,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:15,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767512861] [2024-11-27 06:23:15,092 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:23:15,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:15,174 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:23:15,174 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:15,623 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 458 proven. 355 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-27 06:23:15,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:15,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767512861] [2024-11-27 06:23:15,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767512861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:15,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775260622] [2024-11-27 06:23:15,624 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:23:15,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:15,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:15,628 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 06:23:15,878 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:23:15,878 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:15,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 06:23:15,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 291 proven. 567 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 06:23:17,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 291 proven. 567 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-27 06:23:18,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775260622] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:18,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:18,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 44 [2024-11-27 06:23:18,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769770542] [2024-11-27 06:23:18,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:18,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-27 06:23:18,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:18,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-27 06:23:18,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=1542, Unknown=0, NotChecked=0, Total=1892 [2024-11-27 06:23:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:18,679 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:18,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 10.340909090909092) internal successors, (455), 44 states have internal predecessors, (455), 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) [2024-11-27 06:23:18,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:18,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-27 06:23:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:18,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:20,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:20,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 06:23:20,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-11-27 06:23:20,629 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)] === [2024-11-27 06:23:20,629 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:20,629 INFO L139 ounterexampleChecker]: Examining path program with hash -1700736991, occurence #1 [2024-11-27 06:23:20,629 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:23:20,629 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:20,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:20,630 INFO L85 PathProgramCache]: Analyzing trace with hash -4274604, now seen corresponding path program 11 times [2024-11-27 06:23:20,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:20,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540076381] [2024-11-27 06:23:20,630 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:23:20,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:21,662 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-27 06:23:21,662 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 1128 proven. 10 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-27 06:23:22,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:22,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540076381] [2024-11-27 06:23:22,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540076381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:22,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850370792] [2024-11-27 06:23:22,594 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:23:22,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:22,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:22,597 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:22,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 06:23:23,852 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-27 06:23:23,852 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:23,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 06:23:23,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 972 proven. 10 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-11-27 06:23:24,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 972 proven. 10 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-11-27 06:23:24,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850370792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:24,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:24,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 29 [2024-11-27 06:23:24,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187556123] [2024-11-27 06:23:24,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:24,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-27 06:23:24,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:24,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-27 06:23:24,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2024-11-27 06:23:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:24,770 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:24,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.966666666666667) internal successors, (239), 29 states have internal predecessors, (239), 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) [2024-11-27 06:23:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:24,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:24,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:25,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:25,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:25,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-27 06:23:25,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-27 06:23:25,239 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)] === [2024-11-27 06:23:25,239 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:25,240 INFO L139 ounterexampleChecker]: Examining path program with hash -1700736991, occurence #2 [2024-11-27 06:23:25,240 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:25,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:25,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:23:25,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-27 06:23:25,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:25,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-27 06:23:25,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:25,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:23:25,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:25,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-27 06:23:25,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-27 06:23:25,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:25,271 INFO L85 PathProgramCache]: Analyzing trace with hash 126978766, now seen corresponding path program 1 times [2024-11-27 06:23:25,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:25,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243807598] [2024-11-27 06:23:25,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 06:23:25,357 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-27 06:23:25,357 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-27 06:23:25,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-27 06:23:25,357 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-11-27 06:23:25,358 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:25,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-11-27 06:23:25,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:25,408 INFO L85 PathProgramCache]: Analyzing trace with hash 227629497, now seen corresponding path program 1 times [2024-11-27 06:23:25,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:25,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168378888] [2024-11-27 06:23:25,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:25,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 648 proven. 86 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-27 06:23:26,996 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:23:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168378888] [2024-11-27 06:23:26,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168378888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:26,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1446641496] [2024-11-27 06:23:26,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:26,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:27,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 06:23:27,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:28,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 694 proven. 40 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-27 06:23:28,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1446641496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:28,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:23:28,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2024-11-27 06:23:28,153 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:23:28,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-11-27 06:23:28,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-11-27 06:23:28,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,154 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 293 is hopeless, skipping. [2024-11-27 06:23:28,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-11-27 06:23:28,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2024-11-27 06:23:28,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,155 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 309 is hopeless, skipping. [2024-11-27 06:23:28,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-27 06:23:28,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-11-27 06:23:28,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,156 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 325 is hopeless, skipping. [2024-11-27 06:23:28,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-11-27 06:23:28,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2024-11-27 06:23:28,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 341 is hopeless, skipping. [2024-11-27 06:23:28,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-11-27 06:23:28,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2024-11-27 06:23:28,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-11-27 06:23:28,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:28,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-11-27 06:23:28,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:28,158 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:28,158 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:28,158 INFO L85 PathProgramCache]: Analyzing trace with hash 764336362, now seen corresponding path program 12 times [2024-11-27 06:23:28,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:28,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697054497] [2024-11-27 06:23:28,158 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:23:28,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:28,709 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 06:23:28,709 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:29,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 325 proven. 96 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2024-11-27 06:23:29,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:29,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697054497] [2024-11-27 06:23:29,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697054497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:29,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787014519] [2024-11-27 06:23:29,564 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:23:29,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:29,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:29,566 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:29,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 06:23:30,388 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-27 06:23:30,388 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:30,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 06:23:30,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:30,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:23:30,957 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 24 treesize of output 17 [2024-11-27 06:23:31,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 410 proven. 10 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-11-27 06:23:31,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:31,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:23:31,519 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 24 treesize of output 17 [2024-11-27 06:23:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 325 proven. 95 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-11-27 06:23:31,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787014519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:31,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:31,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-27 06:23:31,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863528027] [2024-11-27 06:23:31,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:31,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-27 06:23:31,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:31,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 06:23:31,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2024-11-27 06:23:31,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:31,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:31,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.09375) internal successors, (227), 32 states have internal predecessors, (227), 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) [2024-11-27 06:23:31,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:31,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:31,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:31,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:31,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:31,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:31,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:31,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:32,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:23:32,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 06:23:32,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-27 06:23:32,813 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)] === [2024-11-27 06:23:32,813 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:32,814 INFO L139 ounterexampleChecker]: Examining path program with hash 1923788102, occurence #1 [2024-11-27 06:23:32,814 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:23:32,814 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:32,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:32,814 INFO L85 PathProgramCache]: Analyzing trace with hash 437129186, now seen corresponding path program 13 times [2024-11-27 06:23:32,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:32,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164654932] [2024-11-27 06:23:32,814 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:23:32,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6850 backedges. 2257 proven. 85 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2024-11-27 06:23:35,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164654932] [2024-11-27 06:23:35,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164654932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:35,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868221925] [2024-11-27 06:23:35,507 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:23:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:35,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:35,509 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:35,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 06:23:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:36,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 2086 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 06:23:36,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:36,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6850 backedges. 2300 proven. 42 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2024-11-27 06:23:36,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:37,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:23:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6850 backedges. 2300 proven. 42 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2024-11-27 06:23:37,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868221925] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:37,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:37,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 50 [2024-11-27 06:23:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027851155] [2024-11-27 06:23:37,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:37,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-27 06:23:37,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:37,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-27 06:23:37,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=1995, Unknown=0, NotChecked=0, Total=2450 [2024-11-27 06:23:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:37,441 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:37,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.14) internal successors, (257), 50 states have internal predecessors, (257), 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) [2024-11-27 06:23:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:37,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:23:37,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:23:37,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:37,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 06:23:37,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-27 06:23:37,889 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)] === [2024-11-27 06:23:37,890 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:37,890 INFO L139 ounterexampleChecker]: Examining path program with hash 1923788102, occurence #2 [2024-11-27 06:23:37,890 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:37,890 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:37,891 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:23:37,891 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-27 06:23:37,891 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:37,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:23:37,891 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:37,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:23:37,891 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:37,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-27 06:23:37,891 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-11-27 06:23:37,891 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-11-27 06:23:37,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 282 [2024-11-27 06:23:37,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-11-27 06:23:37,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-11-27 06:23:37,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 486 [2024-11-27 06:23:37,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2024-11-27 06:23:37,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2024-11-27 06:23:37,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:37,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 510 [2024-11-27 06:23:37,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:37,953 INFO L85 PathProgramCache]: Analyzing trace with hash -89495400, now seen corresponding path program 1 times [2024-11-27 06:23:37,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:37,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512771563] [2024-11-27 06:23:37,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:37,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 2634 proven. 131 refuted. 0 times theorem prover too weak. 3940 trivial. 0 not checked. [2024-11-27 06:23:40,478 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:23:40,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512771563] [2024-11-27 06:23:40,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512771563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:40,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [174042404] [2024-11-27 06:23:40,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:40,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:40,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:23:40,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:41,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 2713 proven. 52 refuted. 0 times theorem prover too weak. 3940 trivial. 0 not checked. [2024-11-27 06:23:41,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [174042404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:41,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:23:41,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 44 [2024-11-27 06:23:41,591 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:23:41,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2024-11-27 06:23:41,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:41,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2024-11-27 06:23:41,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:41,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2024-11-27 06:23:41,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash -441527436, now seen corresponding path program 1 times [2024-11-27 06:23:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667420149] [2024-11-27 06:23:41,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6713 backedges. 2558 proven. 103 refuted. 0 times theorem prover too weak. 4052 trivial. 0 not checked. [2024-11-27 06:23:43,710 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:23:43,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667420149] [2024-11-27 06:23:43,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667420149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:43,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1305433789] [2024-11-27 06:23:43,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:43,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:43,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 1874 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:23:43,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:44,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6713 backedges. 2609 proven. 52 refuted. 0 times theorem prover too weak. 4052 trivial. 0 not checked. [2024-11-27 06:23:44,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1305433789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:44,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:23:44,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 44 [2024-11-27 06:23:44,878 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:23:44,878 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2024-11-27 06:23:44,878 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-11-27 06:23:44,879 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,879 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 542 is hopeless, skipping. [2024-11-27 06:23:44,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2024-11-27 06:23:44,879 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-11-27 06:23:44,879 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,879 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 558 is hopeless, skipping. [2024-11-27 06:23:44,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 569 [2024-11-27 06:23:44,879 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2024-11-27 06:23:44,879 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,879 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 574 is hopeless, skipping. [2024-11-27 06:23:44,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2024-11-27 06:23:44,879 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 592 [2024-11-27 06:23:44,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2024-11-27 06:23:44,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:44,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 595 [2024-11-27 06:23:44,880 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:44,880 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:44,880 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:44,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:44,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1574810254, now seen corresponding path program 14 times [2024-11-27 06:23:44,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:44,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203046192] [2024-11-27 06:23:44,882 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:23:44,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:45,152 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:23:45,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6859 backedges. 2564 proven. 97 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-11-27 06:23:47,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:47,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203046192] [2024-11-27 06:23:47,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203046192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:47,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695773325] [2024-11-27 06:23:47,374 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:23:47,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:47,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:47,376 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:47,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 06:23:47,951 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:23:47,951 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:47,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 06:23:47,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:48,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6859 backedges. 2609 proven. 52 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-11-27 06:23:48,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:23:49,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:23:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6859 backedges. 2609 proven. 52 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-11-27 06:23:49,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695773325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:23:49,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:23:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 55 [2024-11-27 06:23:49,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313776483] [2024-11-27 06:23:49,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:23:49,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-27 06:23:49,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:23:49,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-27 06:23:49,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=2414, Unknown=0, NotChecked=0, Total=2970 [2024-11-27 06:23:49,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:49,470 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:23:49,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 5.2) internal successors, (286), 55 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:23:49,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:49,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:49,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:49,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:23:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:23:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:23:49,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 06:23:50,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2024-11-27 06:23:50,163 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)] === [2024-11-27 06:23:50,163 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:23:50,163 INFO L139 ounterexampleChecker]: Examining path program with hash 1923788102, occurence #3 [2024-11-27 06:23:50,163 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:23:50,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:23:50,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-27 06:23:50,163 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-27 06:23:50,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-27 06:23:50,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:23:50,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-27 06:23:50,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-11-27 06:23:50,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-27 06:23:50,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-11-27 06:23:50,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 351 [2024-11-27 06:23:50,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2024-11-27 06:23:50,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2024-11-27 06:23:50,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2024-11-27 06:23:50,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 507 [2024-11-27 06:23:50,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:50,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2024-11-27 06:23:50,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:50,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1490242486, now seen corresponding path program 1 times [2024-11-27 06:23:50,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:50,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386286447] [2024-11-27 06:23:50,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:50,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6715 backedges. 2915 proven. 154 refuted. 0 times theorem prover too weak. 3646 trivial. 0 not checked. [2024-11-27 06:23:52,120 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:23:52,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386286447] [2024-11-27 06:23:52,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386286447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:52,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [898928226] [2024-11-27 06:23:52,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:52,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:52,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:23:52,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:53,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6715 backedges. 3006 proven. 63 refuted. 0 times theorem prover too weak. 3646 trivial. 0 not checked. [2024-11-27 06:23:53,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [898928226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:53,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:23:53,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-11-27 06:23:53,415 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:23:53,415 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2024-11-27 06:23:53,415 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:53,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2024-11-27 06:23:53,416 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:53,416 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2024-11-27 06:23:53,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1146898214, now seen corresponding path program 1 times [2024-11-27 06:23:53,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:23:53,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802310298] [2024-11-27 06:23:53,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6723 backedges. 2847 proven. 122 refuted. 0 times theorem prover too weak. 3754 trivial. 0 not checked. [2024-11-27 06:23:55,609 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:23:55,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802310298] [2024-11-27 06:23:55,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802310298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:55,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1860448242] [2024-11-27 06:23:55,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:23:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:23:55,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:23:55,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:23:56,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:23:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6723 backedges. 2906 proven. 63 refuted. 0 times theorem prover too weak. 3754 trivial. 0 not checked. [2024-11-27 06:23:56,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1860448242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:56,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:23:56,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-11-27 06:23:56,846 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:23:56,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-11-27 06:23:56,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2024-11-27 06:23:56,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,847 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 543 is hopeless, skipping. [2024-11-27 06:23:56,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-11-27 06:23:56,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 555 [2024-11-27 06:23:56,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,847 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 559 is hopeless, skipping. [2024-11-27 06:23:56,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2024-11-27 06:23:56,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2024-11-27 06:23:56,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,848 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 575 is hopeless, skipping. [2024-11-27 06:23:56,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2024-11-27 06:23:56,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2024-11-27 06:23:56,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 594 [2024-11-27 06:23:56,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:23:56,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2024-11-27 06:23:56,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:23:56,849 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:23:56,849 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:23:56,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:23:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1811782302, now seen corresponding path program 15 times [2024-11-27 06:23:56,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:23:56,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795101360] [2024-11-27 06:23:56,850 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:23:56,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:23:57,501 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 06:23:57,502 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6869 backedges. 84 proven. 86 refuted. 0 times theorem prover too weak. 6699 trivial. 0 not checked. [2024-11-27 06:23:58,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:23:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795101360] [2024-11-27 06:23:58,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795101360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:23:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45723113] [2024-11-27 06:23:58,154 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:23:58,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:23:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:23:58,156 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:23:58,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 06:23:59,397 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 06:23:59,397 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:23:59,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-27 06:23:59,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:24:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6869 backedges. 109 proven. 61 refuted. 0 times theorem prover too weak. 6699 trivial. 0 not checked. [2024-11-27 06:24:02,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:24:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6869 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 6699 trivial. 0 not checked. [2024-11-27 06:24:05,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45723113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:24:05,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:24:05,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2024-11-27 06:24:05,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964158246] [2024-11-27 06:24:05,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:24:05,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-27 06:24:05,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:24:05,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-27 06:24:05,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=1580, Unknown=0, NotChecked=0, Total=1980 [2024-11-27 06:24:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:05,377 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:24:05,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.866666666666666) internal successors, (264), 44 states have internal predecessors, (264), 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) [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:24:05,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:24:05,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:24:05,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:24:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:24:05,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 06:24:06,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-11-27 06:24:06,106 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)] === [2024-11-27 06:24:06,106 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:24:06,107 INFO L139 ounterexampleChecker]: Examining path program with hash 1923788102, occurence #4 [2024-11-27 06:24:06,107 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:24:06,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:24:06,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:24:06,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-27 06:24:06,107 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:24:06,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-27 06:24:06,107 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:24:06,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-27 06:24:06,107 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:24:06,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-27 06:24:06,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-27 06:24:06,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-11-27 06:24:06,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-11-27 06:24:06,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2024-11-27 06:24:06,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2024-11-27 06:24:06,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2024-11-27 06:24:06,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 508 [2024-11-27 06:24:06,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2024-11-27 06:24:06,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:06,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2024-11-27 06:24:06,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:24:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1013045488, now seen corresponding path program 1 times [2024-11-27 06:24:06,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:24:06,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310823639] [2024-11-27 06:24:06,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:24:06,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:24:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:24:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 2915 proven. 154 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2024-11-27 06:24:07,982 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:24:07,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310823639] [2024-11-27 06:24:07,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310823639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:24:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2010719621] [2024-11-27 06:24:07,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:24:07,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:24:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:24:08,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:24:08,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:24:09,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:24:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 3006 proven. 63 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2024-11-27 06:24:09,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2010719621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:24:09,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:24:09,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-11-27 06:24:09,088 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:24:09,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2024-11-27 06:24:09,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:09,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2024-11-27 06:24:09,088 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:09,088 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2024-11-27 06:24:09,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:24:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2096088596, now seen corresponding path program 1 times [2024-11-27 06:24:09,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-27 06:24:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836517554] [2024-11-27 06:24:09,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:24:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:24:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:24:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 2847 proven. 122 refuted. 0 times theorem prover too weak. 3767 trivial. 0 not checked. [2024-11-27 06:24:11,074 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-27 06:24:11,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836517554] [2024-11-27 06:24:11,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836517554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:24:11,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2030082660] [2024-11-27 06:24:11,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:24:11,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:24:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:24:11,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:24:11,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:24:12,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:24:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 2906 proven. 63 refuted. 0 times theorem prover too weak. 3767 trivial. 0 not checked. [2024-11-27 06:24:12,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2030082660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:24:12,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 06:24:12,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-11-27 06:24:12,317 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-27 06:24:12,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 540 [2024-11-27 06:24:12,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 541 [2024-11-27 06:24:12,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,318 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 545 is hopeless, skipping. [2024-11-27 06:24:12,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2024-11-27 06:24:12,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 557 [2024-11-27 06:24:12,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,318 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 561 is hopeless, skipping. [2024-11-27 06:24:12,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2024-11-27 06:24:12,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 573 [2024-11-27 06:24:12,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,319 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 577 is hopeless, skipping. [2024-11-27 06:24:12,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2024-11-27 06:24:12,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 595 [2024-11-27 06:24:12,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2024-11-27 06:24:12,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:24:12,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2024-11-27 06:24:12,319 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:24:12,319 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:24:12,319 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:24:12,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:24:12,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1693571746, now seen corresponding path program 16 times [2024-11-27 06:24:12,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:24:12,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646101341] [2024-11-27 06:24:12,320 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:24:12,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:24:12,510 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:24:12,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:24:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6882 backedges. 5125 proven. 1472 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-27 06:24:15,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:24:15,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646101341] [2024-11-27 06:24:15,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646101341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:24:15,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116000193] [2024-11-27 06:24:15,485 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:24:15,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:24:15,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:24:15,488 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:24:15,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 06:24:15,966 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:24:15,966 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:24:15,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-27 06:24:15,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:24:21,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-27 06:24:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6882 backedges. 5122 proven. 1532 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-27 06:24:21,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:24:24,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:24:24,153 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 25 treesize of output 17 [2024-11-27 06:24:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6882 backedges. 5152 proven. 1426 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-27 06:24:24,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116000193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:24:24,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:24:24,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 54, 47] total 143 [2024-11-27 06:24:24,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378273511] [2024-11-27 06:24:24,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:24:24,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-11-27 06:24:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:24:24,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-11-27 06:24:24,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6145, Invalid=14161, Unknown=0, NotChecked=0, Total=20306 [2024-11-27 06:24:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:24,605 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:24:24,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 9.755244755244755) internal successors, (1395), 143 states have internal predecessors, (1395), 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) [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:24,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:24:24,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:29,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:24:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:24:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:24:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:24:29,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:24:29,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-27 06:24:29,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:24:29,207 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)] === [2024-11-27 06:24:29,207 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:24:29,207 INFO L139 ounterexampleChecker]: Examining path program with hash -1481651736, occurence #1 [2024-11-27 06:24:29,207 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:24:29,207 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:24:29,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:24:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1136815672, now seen corresponding path program 17 times [2024-11-27 06:24:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:24:29,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818146594] [2024-11-27 06:24:29,208 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:24:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:24:31,481 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-11-27 06:24:31,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:24:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 109 proven. 4330 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-27 06:24:32,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:24:32,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818146594] [2024-11-27 06:24:32,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818146594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:24:32,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239553567] [2024-11-27 06:24:32,585 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:24:32,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:24:32,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:24:32,587 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:24:32,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 06:25:12,354 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-11-27 06:25:12,355 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:12,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 06:25:12,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:25:13,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:25:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 3150 proven. 708 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2024-11-27 06:25:13,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:25:14,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:25:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 3150 proven. 708 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2024-11-27 06:25:15,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239553567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:25:15,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:25:15,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25, 25] total 62 [2024-11-27 06:25:15,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735485218] [2024-11-27 06:25:15,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:25:15,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-11-27 06:25:15,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:25:15,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-11-27 06:25:15,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=3302, Unknown=0, NotChecked=0, Total=3782 [2024-11-27 06:25:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:15,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:25:15,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 7.532258064516129) internal successors, (467), 62 states have internal predecessors, (467), 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) [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:15,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:15,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:16,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:16,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 06:25:17,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-27 06:25:17,122 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)] === [2024-11-27 06:25:17,123 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:25:17,123 INFO L139 ounterexampleChecker]: Examining path program with hash -821751456, occurence #1 [2024-11-27 06:25:17,123 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:25:17,123 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:25:17,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:25:17,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1727178131, now seen corresponding path program 18 times [2024-11-27 06:25:17,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:25:17,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60595094] [2024-11-27 06:25:17,124 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:25:17,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:25:17,572 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-27 06:25:17,572 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9927 backedges. 15 proven. 3008 refuted. 0 times theorem prover too weak. 6904 trivial. 0 not checked. [2024-11-27 06:25:18,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:25:18,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60595094] [2024-11-27 06:25:18,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60595094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:25:18,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810021371] [2024-11-27 06:25:18,314 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 06:25:18,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:25:18,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:25:18,316 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:25:18,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 06:25:19,510 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-27 06:25:19,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:19,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 06:25:19,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:25:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9927 backedges. 21 proven. 3002 refuted. 0 times theorem prover too weak. 6904 trivial. 0 not checked. [2024-11-27 06:25:24,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:25:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9927 backedges. 28 proven. 3005 refuted. 0 times theorem prover too weak. 6894 trivial. 0 not checked. [2024-11-27 06:25:27,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810021371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:25:27,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:25:27,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 20] total 48 [2024-11-27 06:25:27,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343060127] [2024-11-27 06:25:27,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:25:27,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-27 06:25:27,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:25:27,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-27 06:25:27,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=396, Invalid=1956, Unknown=0, NotChecked=0, Total=2352 [2024-11-27 06:25:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:27,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:25:27,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.183673469387755) internal successors, (303), 48 states have internal predecessors, (303), 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) [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:27,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:27,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-27 06:25:29,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-27 06:25:29,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-27 06:25:29,404 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)] === [2024-11-27 06:25:29,404 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:25:29,404 INFO L139 ounterexampleChecker]: Examining path program with hash -208919611, occurence #1 [2024-11-27 06:25:29,404 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:25:29,404 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:25:29,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:25:29,405 INFO L85 PathProgramCache]: Analyzing trace with hash 547839806, now seen corresponding path program 19 times [2024-11-27 06:25:29,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:25:29,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097889606] [2024-11-27 06:25:29,405 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:25:29,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:25:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:25:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10163 backedges. 5090 proven. 865 refuted. 0 times theorem prover too weak. 4208 trivial. 0 not checked. [2024-11-27 06:25:32,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:25:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097889606] [2024-11-27 06:25:32,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097889606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:25:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886263312] [2024-11-27 06:25:32,521 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 06:25:32,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:25:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:25:32,523 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:25:32,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-27 06:25:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:25:33,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 2557 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-27 06:25:33,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:25:34,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:25:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10163 backedges. 3963 proven. 75 refuted. 0 times theorem prover too weak. 6125 trivial. 0 not checked. [2024-11-27 06:25:34,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:25:35,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:25:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10163 backedges. 3963 proven. 75 refuted. 0 times theorem prover too weak. 6125 trivial. 0 not checked. [2024-11-27 06:25:36,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886263312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:25:36,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:25:36,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 27] total 76 [2024-11-27 06:25:36,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502107973] [2024-11-27 06:25:36,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:25:36,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-11-27 06:25:36,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:25:36,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-11-27 06:25:36,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=827, Invalid=4873, Unknown=0, NotChecked=0, Total=5700 [2024-11-27 06:25:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:36,146 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:25:36,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.171052631578948) internal successors, (469), 76 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:25:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:36,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-27 06:25:36,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:36,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-27 06:25:36,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:36,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-27 06:25:36,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-27 06:25:36,793 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)] === [2024-11-27 06:25:36,793 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:25:36,794 INFO L139 ounterexampleChecker]: Examining path program with hash -208919611, occurence #2 [2024-11-27 06:25:36,794 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:25:36,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:25:36,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-27 06:25:36,794 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-27 06:25:36,794 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:36,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-27 06:25:36,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:36,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-27 06:25:36,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:36,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-27 06:25:36,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-27 06:25:36,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-11-27 06:25:36,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-11-27 06:25:36,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-11-27 06:25:36,795 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2024-11-27 06:25:36,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 443 [2024-11-27 06:25:36,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2024-11-27 06:25:36,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 581 [2024-11-27 06:25:36,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2024-11-27 06:25:36,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 623 [2024-11-27 06:25:36,796 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 635 [2024-11-27 06:25:36,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 647 [2024-11-27 06:25:36,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 659 [2024-11-27 06:25:36,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2024-11-27 06:25:36,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 707 [2024-11-27 06:25:36,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 715 [2024-11-27 06:25:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 716 [2024-11-27 06:25:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 721 [2024-11-27 06:25:36,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 725 [2024-11-27 06:25:36,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 729 [2024-11-27 06:25:36,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2024-11-27 06:25:36,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2024-11-27 06:25:36,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:36,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2024-11-27 06:25:36,801 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:36,801 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:25:36,801 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:25:36,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:25:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1634585490, now seen corresponding path program 20 times [2024-11-27 06:25:36,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:25:36,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183440021] [2024-11-27 06:25:36,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:25:36,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:25:37,121 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:25:37,121 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 612 proven. 2583 refuted. 0 times theorem prover too weak. 6980 trivial. 0 not checked. [2024-11-27 06:25:39,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:25:39,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183440021] [2024-11-27 06:25:39,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183440021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:25:39,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176755063] [2024-11-27 06:25:39,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 06:25:39,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:25:39,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:25:39,141 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:25:39,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-27 06:25:39,945 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 06:25:39,946 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:39,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 06:25:39,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:25:41,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-27 06:25:41,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 4323 proven. 88 refuted. 0 times theorem prover too weak. 5764 trivial. 0 not checked. [2024-11-27 06:25:41,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:25:41,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2024-11-27 06:25:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 4323 proven. 88 refuted. 0 times theorem prover too weak. 5764 trivial. 0 not checked. [2024-11-27 06:25:42,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176755063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:25:42,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:25:42,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 29, 29] total 72 [2024-11-27 06:25:42,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960205152] [2024-11-27 06:25:42,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:25:42,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-27 06:25:42,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:25:42,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-27 06:25:42,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=656, Invalid=4456, Unknown=0, NotChecked=0, Total=5112 [2024-11-27 06:25:42,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:42,627 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:25:42,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.138888888888889) internal successors, (442), 72 states have internal predecessors, (442), 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) [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:42,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:42,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:42,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-27 06:25:42,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:42,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:43,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:43,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-27 06:25:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:25:43,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-27 06:25:43,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-27 06:25:43,431 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)] === [2024-11-27 06:25:43,431 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:25:43,432 INFO L139 ounterexampleChecker]: Examining path program with hash -208919611, occurence #3 [2024-11-27 06:25:43,432 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-27 06:25:43,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-27 06:25:43,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-27 06:25:43,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-27 06:25:43,432 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:43,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-27 06:25:43,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:43,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-27 06:25:43,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:43,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-27 06:25:43,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-11-27 06:25:43,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-27 06:25:43,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2024-11-27 06:25:43,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-11-27 06:25:43,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2024-11-27 06:25:43,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2024-11-27 06:25:43,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2024-11-27 06:25:43,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2024-11-27 06:25:43,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 609 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 625 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 637 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 709 [2024-11-27 06:25:43,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 718 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 723 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 727 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 733 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2024-11-27 06:25:43,436 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-27 06:25:43,436 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2024-11-27 06:25:43,436 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-27 06:25:43,436 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-27 06:25:43,437 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:25:43,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:25:43,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2133470636, now seen corresponding path program 21 times [2024-11-27 06:25:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:25:43,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12155797] [2024-11-27 06:25:43,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:25:43,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:25:43,860 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 06:25:43,860 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10196 backedges. 2498 proven. 205 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2024-11-27 06:25:45,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:25:45,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12155797] [2024-11-27 06:25:45,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12155797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:25:45,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752838916] [2024-11-27 06:25:45,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 06:25:45,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:25:45,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:25:45,321 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:25:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-27 06:25:48,086 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 06:25:48,086 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:25:48,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-27 06:25:48,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:25:52,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:25:52,715 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 23 treesize of output 15 [2024-11-27 06:25:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10196 backedges. 2520 proven. 181 refuted. 0 times theorem prover too weak. 7495 trivial. 0 not checked. [2024-11-27 06:25:53,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:25:54,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 06:25:54,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 06:25:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10196 backedges. 2500 proven. 203 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2024-11-27 06:25:57,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752838916] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:25:57,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:25:57,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 30] total 84 [2024-11-27 06:25:57,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702998702] [2024-11-27 06:25:57,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:25:57,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-11-27 06:25:57,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:25:57,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-11-27 06:25:57,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=884, Invalid=6088, Unknown=0, NotChecked=0, Total=6972 [2024-11-27 06:25:57,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:57,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:25:57,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.559523809523809) internal successors, (551), 84 states have internal predecessors, (551), 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) [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:57,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:25:57,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:26:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:26:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:26:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-27 06:26:03,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-27 06:26:03,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-27 06:26:03,386 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)] === [2024-11-27 06:26:03,386 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:26:03,386 INFO L139 ounterexampleChecker]: Examining path program with hash 314640011, occurence #1 [2024-11-27 06:26:03,387 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:26:03,387 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:26:03,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:26:03,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2131929966, now seen corresponding path program 22 times [2024-11-27 06:26:03,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:26:03,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155969066] [2024-11-27 06:26:03,388 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:26:03,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:26:04,091 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:26:04,091 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:26:05,281 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 31349 proven. 544 refuted. 0 times theorem prover too weak. 5443 trivial. 0 not checked. [2024-11-27 06:26:05,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:26:05,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155969066] [2024-11-27 06:26:05,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155969066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:26:05,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610791814] [2024-11-27 06:26:05,281 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 06:26:05,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:26:05,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:26:05,283 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:26:05,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-27 06:26:06,011 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 06:26:06,011 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:26:06,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 06:26:06,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 06:26:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 24174 proven. 8894 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2024-11-27 06:26:12,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 06:26:17,260 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 24188 proven. 8880 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2024-11-27 06:26:17,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610791814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 06:26:17,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 06:26:17,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 24, 24] total 60 [2024-11-27 06:26:17,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738565477] [2024-11-27 06:26:17,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 06:26:17,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-27 06:26:17,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:26:17,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-27 06:26:17,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=592, Invalid=2948, Unknown=0, NotChecked=0, Total=3540 [2024-11-27 06:26:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:26:17,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:26:17,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 10.866666666666667) internal successors, (652), 60 states have internal predecessors, (652), 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) [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:26:17,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:26:17,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:26:17,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-11-27 06:26:17,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:26:17,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:26:17,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-27 06:26:17,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-27 06:26:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-27 06:26:19,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-27 06:26:19,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-27 06:26:19,589 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)] === [2024-11-27 06:26:19,589 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:26:19,589 INFO L139 ounterexampleChecker]: Examining path program with hash 581871415, occurence #1 [2024-11-27 06:26:19,589 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:26:19,589 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:26:19,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:26:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1835637762, now seen corresponding path program 23 times [2024-11-27 06:26:19,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:26:19,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391235559] [2024-11-27 06:26:19,591 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:26:19,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:27:05,850 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 80 check-sat command(s) [2024-11-27 06:27:05,850 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 06:27:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 37244 backedges. 36480 proven. 240 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-11-27 06:27:25,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:27:25,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391235559] [2024-11-27 06:27:25,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391235559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 06:27:25,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585068022] [2024-11-27 06:27:25,716 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 06:27:25,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 06:27:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:27:25,718 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 06:27:25,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db5105e-ae2a-4d57-a0e7-57fbe9eb5b10/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process