./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_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/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_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 09:23:14,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 09:23:14,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-05 09:23:14,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 09:23:14,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-05 09:23:14,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 09:23:14,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-05 09:23:14,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-05 09:23:14,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 09:23:14,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-05 09:23:14,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Use SBE=true [2024-12-05 09:23:14,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 09:23:14,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 09:23:14,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:23:14,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 09:23:14,666 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-05 09:23:14,667 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-05 09:23:14,667 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_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-12-05 09:23:14,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 09:23:14,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 09:23:14,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 09:23:14,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 09:23:14,922 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 09:23:14,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-12-05 09:23:17,625 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/data/3535625d3/bb9a7f64ac84407cba27e7654fcea2cb/FLAG919cbd0e6 [2024-12-05 09:23:17,857 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 09:23:17,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-12-05 09:23:17,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/data/3535625d3/bb9a7f64ac84407cba27e7654fcea2cb/FLAG919cbd0e6 [2024-12-05 09:23:18,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/data/3535625d3/bb9a7f64ac84407cba27e7654fcea2cb [2024-12-05 09:23:18,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 09:23:18,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 09:23:18,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 09:23:18,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 09:23:18,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 09:23:18,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df1ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18, skipping insertion in model container [2024-12-05 09:23:18,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 09:23:18,358 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_547e9d48-f5a6-4036-9367-1020f6375bf6/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2904,2917] [2024-12-05 09:23:18,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:23:18,379 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 09:23:18,401 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_547e9d48-f5a6-4036-9367-1020f6375bf6/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c[2904,2917] [2024-12-05 09:23:18,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 09:23:18,418 INFO L204 MainTranslator]: Completed translation [2024-12-05 09:23:18,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18 WrapperNode [2024-12-05 09:23:18,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 09:23:18,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 09:23:18,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 09:23:18,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 09:23:18,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,455 INFO L138 Inliner]: procedures = 25, calls = 40, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 264 [2024-12-05 09:23:18,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 09:23:18,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 09:23:18,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 09:23:18,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 09:23:18,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,475 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 09:23:18,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 09:23:18,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 09:23:18,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 09:23:18,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (1/1) ... [2024-12-05 09:23:18,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-05 09:23:18,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:18,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-05 09:23:18,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-05 09:23:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 09:23:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 09:23:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 09:23:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 09:23:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 09:23:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 09:23:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 09:23:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 09:23:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 09:23:18,546 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 09:23:18,634 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 09:23:18,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 09:23:18,993 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 09:23:18,993 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 09:23:19,274 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 09:23:19,275 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-12-05 09:23:19,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:23:19 BoogieIcfgContainer [2024-12-05 09:23:19,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 09:23:19,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-05 09:23:19,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-05 09:23:19,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-05 09:23:19,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:23:18" (1/3) ... [2024-12-05 09:23:19,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46abaea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:23:19, skipping insertion in model container [2024-12-05 09:23:19,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:23:18" (2/3) ... [2024-12-05 09:23:19,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46abaea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:23:19, skipping insertion in model container [2024-12-05 09:23:19,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:23:19" (3/3) ... [2024-12-05 09:23:19,285 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-12-05 09:23:19,300 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-05 09:23:19,302 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. [2024-12-05 09:23:19,302 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-05 09:23:19,361 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-05 09:23:19,407 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:23:19,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-05 09:23:19,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:19,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-05 09:23:19,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-05 09:23:19,485 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-05 09:23:19,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-05 09:23:19,510 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;@5081af2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-05 09:23:19,510 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-05 09:23:19,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:19,766 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:19,766 INFO L139 ounterexampleChecker]: Examining path program with hash 1797786282, occurence #1 [2024-12-05 09:23:19,767 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:19,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:19,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:19,771 INFO L85 PathProgramCache]: Analyzing trace with hash -793848148, now seen corresponding path program 1 times [2024-12-05 09:23:19,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:19,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417322819] [2024-12-05 09:23:19,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:19,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:19,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:19,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417322819] [2024-12-05 09:23:19,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417322819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:19,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:19,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-05 09:23:19,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231466776] [2024-12-05 09:23:19,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:19,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-05 09:23:19,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:19,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-05 09:23:19,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-05 09:23:19,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:19,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:19,994 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) [2024-12-05 09:23:19,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-05 09:23:20,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:20,079 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:20,080 INFO L139 ounterexampleChecker]: Examining path program with hash -1838521706, occurence #1 [2024-12-05 09:23:20,080 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:20,080 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:20,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:20,080 INFO L85 PathProgramCache]: Analyzing trace with hash -12406724, now seen corresponding path program 1 times [2024-12-05 09:23:20,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:20,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555230214] [2024-12-05 09:23:20,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:20,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:20,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555230214] [2024-12-05 09:23:20,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555230214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:20,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:20,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-05 09:23:20,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569140521] [2024-12-05 09:23:20,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:20,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:23:20,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:20,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:23:20,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:23:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:20,330 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) [2024-12-05 09:23:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-05 09:23:20,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:20,465 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:20,465 INFO L139 ounterexampleChecker]: Examining path program with hash -1838521706, occurence #2 [2024-12-05 09:23:20,465 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:20,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:20,466 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:20,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-05 09:23:20,467 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:20,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 09:23:20,481 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:20,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 09:23:20,482 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:20,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 09:23:20,482 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:20,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 09:23:20,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:20,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-05 09:23:20,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:20,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 09:23:20,483 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:20,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 09:23:20,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:20,483 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:20,483 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:20,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:20,484 INFO L85 PathProgramCache]: Analyzing trace with hash -2125453102, now seen corresponding path program 1 times [2024-12-05 09:23:20,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:20,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907151273] [2024-12-05 09:23:20,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 09:23:20,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:20,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907151273] [2024-12-05 09:23:20,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907151273] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:20,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:20,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-05 09:23:20,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404497702] [2024-12-05 09:23:20,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:20,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-05 09:23:20,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:20,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-05 09:23:20,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-05 09:23:20,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,628 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:20,628 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) [2024-12-05 09:23:20,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:20,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-05 09:23:20,916 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:20,916 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:20,916 INFO L139 ounterexampleChecker]: Examining path program with hash 1481659254, occurence #1 [2024-12-05 09:23:20,916 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:20,916 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:20,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:20,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2097237412, now seen corresponding path program 1 times [2024-12-05 09:23:20,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:20,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649287060] [2024-12-05 09:23:20,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:20,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:21,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:21,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:21,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649287060] [2024-12-05 09:23:21,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649287060] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:21,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522840537] [2024-12-05 09:23:21,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:21,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:21,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:21,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-05 09:23:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:21,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:23:21,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:21,524 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:21,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522840537] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:21,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:21,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-12-05 09:23:21,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016374038] [2024-12-05 09:23:21,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:21,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-05 09:23:21,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:21,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-05 09:23:21,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-12-05 09:23:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:21,615 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:21,615 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) [2024-12-05 09:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:21,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-05 09:23:22,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:22,069 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:22,070 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:22,070 INFO L139 ounterexampleChecker]: Examining path program with hash 1481659254, occurence #2 [2024-12-05 09:23:22,070 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:22,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:22,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 09:23:22,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 09:23:22,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:22,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 09:23:22,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:22,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 09:23:22,070 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:22,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-05 09:23:22,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-05 09:23:22,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-05 09:23:22,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:22,126 INFO L85 PathProgramCache]: Analyzing trace with hash -143164644, now seen corresponding path program 1 times [2024-12-05 09:23:22,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:22,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669679375] [2024-12-05 09:23:22,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:22,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:22,330 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:23:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669679375] [2024-12-05 09:23:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669679375] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2003048062] [2024-12-05 09:23:22,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:22,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:22,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 09:23:22,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:22,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 09:23:22,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2003048062] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:22,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:23:22,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-05 09:23:22,569 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:23:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-05 09:23:22,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-05 09:23:22,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-05 09:23:22,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:22,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-05 09:23:22,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:22,569 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:22,570 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:22,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1303431558, now seen corresponding path program 2 times [2024-12-05 09:23:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:22,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784163366] [2024-12-05 09:23:22,570 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:22,609 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-05 09:23:22,609 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 09:23:22,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:22,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784163366] [2024-12-05 09:23:22,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784163366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:22,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:22,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-05 09:23:22,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764783256] [2024-12-05 09:23:22,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:22,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-05 09:23:22,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:22,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-05 09:23:22,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-05 09:23:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:22,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:22,864 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) [2024-12-05 09:23:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:23,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-12-05 09:23:23,118 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:23,119 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:23,119 INFO L139 ounterexampleChecker]: Examining path program with hash 257518845, occurence #1 [2024-12-05 09:23:23,119 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:23,119 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:23,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:23,119 INFO L85 PathProgramCache]: Analyzing trace with hash 926245903, now seen corresponding path program 3 times [2024-12-05 09:23:23,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:23,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416345625] [2024-12-05 09:23:23,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:23,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:23,221 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 09:23:23,221 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-05 09:23:24,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:24,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416345625] [2024-12-05 09:23:24,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416345625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-05 09:23:24,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-05 09:23:24,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-05 09:23:24,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900562447] [2024-12-05 09:23:24,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-05 09:23:24,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-05 09:23:24,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:24,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-05 09:23:24,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-12-05 09:23:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:24,212 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:24,212 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) [2024-12-05 09:23:24,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:24,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:24,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:24,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:24,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:24,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:24,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-05 09:23:24,609 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:24,609 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:24,609 INFO L139 ounterexampleChecker]: Examining path program with hash 257518845, occurence #2 [2024-12-05 09:23:24,609 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:24,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:24,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 09:23:24,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 09:23:24,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 09:23:24,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:23:24,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-05 09:23:24,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-05 09:23:24,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-05 09:23:24,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-12-05 09:23:24,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-12-05 09:23:24,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-05 09:23:24,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 09:23:24,611 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:24,611 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 09:23:24,611 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:24,611 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:24,611 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:24,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:24,612 INFO L85 PathProgramCache]: Analyzing trace with hash 769124007, now seen corresponding path program 1 times [2024-12-05 09:23:24,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:24,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234686258] [2024-12-05 09:23:24,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:24,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:24,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:24,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234686258] [2024-12-05 09:23:24,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234686258] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:24,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584803567] [2024-12-05 09:23:24,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:24,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:24,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:24,923 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:24,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-05 09:23:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:25,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 09:23:25,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:25,156 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 [2024-12-05 09:23:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:25,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:25,215 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 [2024-12-05 09:23:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-05 09:23:25,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584803567] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:25,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:25,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-12-05 09:23:25,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879460339] [2024-12-05 09:23:25,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:25,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-05 09:23:25,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:25,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-05 09:23:25,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-12-05 09:23:25,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:25,269 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:25,269 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) [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:25,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:25,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-05 09:23:25,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:25,613 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:25,613 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:25,613 INFO L139 ounterexampleChecker]: Examining path program with hash 257518845, occurence #3 [2024-12-05 09:23:25,613 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:25,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:25,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-05 09:23:25,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-05 09:23:25,614 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-05 09:23:25,614 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 09:23:25,614 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-05 09:23:25,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-05 09:23:25,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-05 09:23:25,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-12-05 09:23:25,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-05 09:23:25,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-05 09:23:25,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-05 09:23:25,615 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:25,615 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-05 09:23:25,615 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:25,615 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:25,615 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:25,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:25,615 INFO L85 PathProgramCache]: Analyzing trace with hash 193312527, now seen corresponding path program 2 times [2024-12-05 09:23:25,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:25,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573583766] [2024-12-05 09:23:25,616 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:25,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:25,666 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:23:25,666 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-05 09:23:25,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573583766] [2024-12-05 09:23:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573583766] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301607941] [2024-12-05 09:23:25,946 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:25,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:25,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:25,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-05 09:23:26,089 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:23:26,089 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:26,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 09:23:26,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:26,241 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 [2024-12-05 09:23:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 09:23:26,261 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:26,339 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 [2024-12-05 09:23:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 09:23:26,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301607941] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:26,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:26,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22 [2024-12-05 09:23:26,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271731933] [2024-12-05 09:23:26,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:26,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-05 09:23:26,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:26,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-05 09:23:26,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-12-05 09:23:26,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:26,433 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:26,433 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) [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:26,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:26,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-05 09:23:26,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-05 09:23:26,960 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:26,960 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:26,960 INFO L139 ounterexampleChecker]: Examining path program with hash 257518845, occurence #4 [2024-12-05 09:23:26,960 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:26,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:26,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 09:23:26,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 09:23:26,960 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:26,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:23:26,960 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:23:26,961 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-05 09:23:26,961 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:26,961 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 09:23:26,961 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:26,961 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:26,961 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:26,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:26,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1837949649, now seen corresponding path program 3 times [2024-12-05 09:23:26,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:26,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050479594] [2024-12-05 09:23:26,962 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:27,030 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 09:23:27,030 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 09:23:27,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:27,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050479594] [2024-12-05 09:23:27,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050479594] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:27,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043738399] [2024-12-05 09:23:27,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:27,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:27,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:27,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-05 09:23:27,370 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-05 09:23:27,370 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:27,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 09:23:27,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 09:23:27,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 09:23:27,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043738399] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:27,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:27,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-12-05 09:23:27,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976228217] [2024-12-05 09:23:27,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:27,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-05 09:23:27,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:27,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-05 09:23:27,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-12-05 09:23:27,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:27,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:27,879 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) [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:27,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:28,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-05 09:23:28,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:28,308 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:28,308 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:28,308 INFO L139 ounterexampleChecker]: Examining path program with hash 257518845, occurence #5 [2024-12-05 09:23:28,308 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:28,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:28,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-05 09:23:28,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 09:23:28,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:23:28,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:23:28,309 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-05 09:23:28,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-12-05 09:23:28,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-12-05 09:23:28,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:28,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-12-05 09:23:28,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:28,310 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:28,310 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:28,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash -18737390, now seen corresponding path program 4 times [2024-12-05 09:23:28,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:28,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235938706] [2024-12-05 09:23:28,310 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:28,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:28,339 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:28,339 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 09:23:28,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:28,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235938706] [2024-12-05 09:23:28,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235938706] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:28,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965888711] [2024-12-05 09:23:28,772 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:28,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:28,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:28,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:28,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-05 09:23:28,894 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:28,894 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:28,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 09:23:28,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:29,550 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 [2024-12-05 09:23:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 09:23:29,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:29,812 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:23:29,813 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 [2024-12-05 09:23:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 09:23:29,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965888711] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:29,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:29,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 15] total 43 [2024-12-05 09:23:29,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660161202] [2024-12-05 09:23:29,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:29,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-05 09:23:29,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:29,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-05 09:23:29,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1467, Unknown=0, NotChecked=0, Total=1806 [2024-12-05 09:23:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:29,975 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:29,975 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) [2024-12-05 09:23:29,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:29,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:29,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:29,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:29,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:30,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-05 09:23:31,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-05 09:23:31,178 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:31,178 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:31,179 INFO L139 ounterexampleChecker]: Examining path program with hash -2068021627, occurence #1 [2024-12-05 09:23:31,179 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:31,179 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:31,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:31,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1491428342, now seen corresponding path program 5 times [2024-12-05 09:23:31,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:31,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891643661] [2024-12-05 09:23:31,179 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:31,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:31,250 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 09:23:31,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 09:23:31,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:31,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891643661] [2024-12-05 09:23:31,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891643661] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:31,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454520052] [2024-12-05 09:23:31,470 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:31,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:31,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:31,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-05 09:23:31,690 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-05 09:23:31,691 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:31,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 09:23:31,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:31,909 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 [2024-12-05 09:23:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-05 09:23:31,943 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:32,052 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 [2024-12-05 09:23:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 82 proven. 8 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-05 09:23:32,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454520052] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:32,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:32,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2024-12-05 09:23:32,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382529021] [2024-12-05 09:23:32,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:32,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-05 09:23:32,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:32,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-05 09:23:32,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-12-05 09:23:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:32,147 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:32,147 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) [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:32,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:32,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-05 09:23:32,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-05 09:23:32,635 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:32,635 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:32,635 INFO L139 ounterexampleChecker]: Examining path program with hash -2068021627, occurence #2 [2024-12-05 09:23:32,635 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:32,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:32,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:32,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 09:23:32,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:32,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-05 09:23:32,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:32,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-05 09:23:32,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:32,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 09:23:32,636 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:32,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-05 09:23:32,636 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:32,636 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-05 09:23:32,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:32,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1773020155, now seen corresponding path program 1 times [2024-12-05 09:23:32,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:32,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434213731] [2024-12-05 09:23:32,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 09:23:33,018 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:23:33,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434213731] [2024-12-05 09:23:33,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434213731] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:33,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1380988946] [2024-12-05 09:23:33,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:33,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:33,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 09:23:33,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:33,389 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 [2024-12-05 09:23:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 09:23:33,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1380988946] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:33,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:23:33,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2024-12-05 09:23:33,408 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:23:33,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-05 09:23:33,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:33,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-05 09:23:33,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:33,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-05 09:23:33,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:33,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-05 09:23:33,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:33,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-12-05 09:23:33,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash 892575094, now seen corresponding path program 1 times [2024-12-05 09:23:33,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:33,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218028960] [2024-12-05 09:23:33,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:33,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 74 proven. 29 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 09:23:34,067 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:23:34,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218028960] [2024-12-05 09:23:34,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218028960] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:34,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1261619426] [2024-12-05 09:23:34,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:34,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 09:23:34,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:34,460 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 [2024-12-05 09:23:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 93 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 09:23:34,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1261619426] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:34,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:23:34,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 24 [2024-12-05 09:23:34,479 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:23:34,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-05 09:23:34,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:34,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-12-05 09:23:34,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:34,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-12-05 09:23:34,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:34,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-05 09:23:34,480 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:34,480 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:34,480 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:34,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:34,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1240345332, now seen corresponding path program 6 times [2024-12-05 09:23:34,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:34,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022200169] [2024-12-05 09:23:34,481 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:34,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:34,572 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-05 09:23:34,572 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-05 09:23:35,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022200169] [2024-12-05 09:23:35,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022200169] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753288942] [2024-12-05 09:23:35,375 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:35,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:35,377 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:35,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-05 09:23:35,651 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-05 09:23:35,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:35,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 09:23:35,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:36,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:23:36,571 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 [2024-12-05 09:23:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 71 proven. 7 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-05 09:23:36,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:37,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:23:37,451 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 [2024-12-05 09:23:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 31 proven. 47 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-05 09:23:37,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753288942] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:37,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:37,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 46 [2024-12-05 09:23:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788867752] [2024-12-05 09:23:37,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:37,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-05 09:23:37,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:37,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-05 09:23:37,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1750, Unknown=0, NotChecked=0, Total=2070 [2024-12-05 09:23:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:37,744 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:37,744 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) [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:37,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:40,427 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork2_~i~0#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:23:40,594 WARN L331 ript$VariableManager]: TermVariable |v_thread1Thread1of1ForFork2_~i~0#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:40,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:40,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:40,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-05 09:23:41,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-12-05 09:23:41,023 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:41,023 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:41,023 INFO L139 ounterexampleChecker]: Examining path program with hash 2116230186, occurence #1 [2024-12-05 09:23:41,023 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:41,023 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:41,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:41,023 INFO L85 PathProgramCache]: Analyzing trace with hash -948824899, now seen corresponding path program 7 times [2024-12-05 09:23:41,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:41,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057542860] [2024-12-05 09:23:41,024 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:23:41,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 331 proven. 29 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2024-12-05 09:23:41,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:41,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057542860] [2024-12-05 09:23:41,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057542860] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:41,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472807536] [2024-12-05 09:23:41,659 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:23:41,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:41,661 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:41,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-05 09:23:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:41,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 09:23:41,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:42,135 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 [2024-12-05 09:23:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 322 proven. 10 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-12-05 09:23:42,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:42,293 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 [2024-12-05 09:23:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 322 proven. 10 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-12-05 09:23:42,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472807536] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:42,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:42,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2024-12-05 09:23:42,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167355184] [2024-12-05 09:23:42,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:42,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-12-05 09:23:42,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:42,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-12-05 09:23:42,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=946, Unknown=0, NotChecked=0, Total=1122 [2024-12-05 09:23:42,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:42,425 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:42,425 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) [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:42,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:42,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:42,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-05 09:23:42,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:42,869 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:42,869 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:42,869 INFO L139 ounterexampleChecker]: Examining path program with hash 2116230186, occurence #2 [2024-12-05 09:23:42,869 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:42,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 09:23:42,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-05 09:23:42,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:23:42,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 09:23:42,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-05 09:23:42,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:42,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-05 09:23:42,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1676534787, now seen corresponding path program 1 times [2024-12-05 09:23:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:42,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009735421] [2024-12-05 09:23:42,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:42,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 09:23:43,013 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 09:23:43,013 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 09:23:43,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-05 09:23:43,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-05 09:23:43,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-12-05 09:23:43,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-12-05 09:23:43,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-05 09:23:43,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-12-05 09:23:43,014 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:43,014 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-05 09:23:43,014 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:43,014 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:43,014 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:43,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash -872538667, now seen corresponding path program 8 times [2024-12-05 09:23:43,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:43,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542137953] [2024-12-05 09:23:43,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:43,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:43,109 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:23:43,109 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 424 proven. 43 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-12-05 09:23:43,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:43,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542137953] [2024-12-05 09:23:43,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542137953] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:43,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255139034] [2024-12-05 09:23:43,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:23:43,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:43,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:43,760 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:43,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-05 09:23:44,012 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:23:44,013 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:44,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 09:23:44,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:44,318 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 [2024-12-05 09:23:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 388 proven. 17 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-05 09:23:44,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:44,505 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 [2024-12-05 09:23:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 388 proven. 17 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-12-05 09:23:44,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255139034] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:44,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:44,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 40 [2024-12-05 09:23:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439167611] [2024-12-05 09:23:44,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:44,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-12-05 09:23:44,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:44,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-12-05 09:23:44,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1321, Unknown=0, NotChecked=0, Total=1560 [2024-12-05 09:23:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:44,653 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:44,654 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) [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:44,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:44,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-05 09:23:45,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-05 09:23:45,150 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:45,150 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:45,150 INFO L139 ounterexampleChecker]: Examining path program with hash 2116230186, occurence #3 [2024-12-05 09:23:45,150 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:45,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:45,150 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 09:23:45,150 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-05 09:23:45,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:45,150 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 09:23:45,150 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:45,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 09:23:45,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:45,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-05 09:23:45,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-05 09:23:45,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:45,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1238554910, now seen corresponding path program 1 times [2024-12-05 09:23:45,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:45,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690823017] [2024-12-05 09:23:45,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:45,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 09:23:45,252 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 09:23:45,252 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 09:23:45,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-12-05 09:23:45,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-12-05 09:23:45,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-12-05 09:23:45,254 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:45,254 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-05 09:23:45,254 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:45,254 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:45,254 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:45,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:45,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1492334525, now seen corresponding path program 9 times [2024-12-05 09:23:45,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:45,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788731101] [2024-12-05 09:23:45,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:45,377 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-05 09:23:45,377 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 31 proven. 350 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-05 09:23:45,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:45,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788731101] [2024-12-05 09:23:45,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788731101] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:45,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363104263] [2024-12-05 09:23:45,923 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:23:45,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:45,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:45,924 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:45,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-05 09:23:46,471 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-05 09:23:46,471 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:46,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 09:23:46,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:47,087 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 [2024-12-05 09:23:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 31 proven. 350 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-05 09:23:47,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:47,271 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 [2024-12-05 09:23:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 31 proven. 350 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-05 09:23:47,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363104263] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:47,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:47,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 45 [2024-12-05 09:23:47,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437570382] [2024-12-05 09:23:47,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:47,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-05 09:23:47,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:47,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-05 09:23:47,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=1610, Unknown=0, NotChecked=0, Total=1980 [2024-12-05 09:23:47,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:47,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:47,677 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) [2024-12-05 09:23:47,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:47,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:47,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:47,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:47,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:47,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:47,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-05 09:23:48,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:48,118 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:48,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:48,118 INFO L139 ounterexampleChecker]: Examining path program with hash 2116230186, occurence #4 [2024-12-05 09:23:48,119 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:48,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-05 09:23:48,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-05 09:23:48,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 09:23:48,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 09:23:48,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-12-05 09:23:48,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-05 09:23:48,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash 554210849, now seen corresponding path program 1 times [2024-12-05 09:23:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:48,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515086880] [2024-12-05 09:23:48,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 09:23:48,225 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 09:23:48,226 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-12-05 09:23:48,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-05 09:23:48,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-05 09:23:48,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-05 09:23:48,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-05 09:23:48,227 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:48,227 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2024-12-05 09:23:48,227 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:48,227 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:48,227 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:48,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:48,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1900569923, now seen corresponding path program 10 times [2024-12-05 09:23:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:48,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860708963] [2024-12-05 09:23:48,228 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:48,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:48,303 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:48,303 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 458 proven. 355 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-05 09:23:48,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:48,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860708963] [2024-12-05 09:23:48,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860708963] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:48,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688812832] [2024-12-05 09:23:48,638 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:23:48,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:48,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:48,640 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:48,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-05 09:23:48,824 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:23:48,824 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:48,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 09:23:48,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 291 proven. 567 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-05 09:23:49,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 291 proven. 567 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-05 09:23:50,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688812832] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:50,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:50,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 44 [2024-12-05 09:23:50,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397586679] [2024-12-05 09:23:50,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:50,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-12-05 09:23:50,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:50,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-12-05 09:23:50,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=1542, Unknown=0, NotChecked=0, Total=1892 [2024-12-05 09:23:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:50,933 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:50,933 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) [2024-12-05 09:23:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:23:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:23:52,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-05 09:23:52,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-12-05 09:23:52,385 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:52,385 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:52,386 INFO L139 ounterexampleChecker]: Examining path program with hash 77142535, occurence #1 [2024-12-05 09:23:52,386 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:23:52,386 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:52,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:52,386 INFO L85 PathProgramCache]: Analyzing trace with hash -4274604, now seen corresponding path program 11 times [2024-12-05 09:23:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:52,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384339562] [2024-12-05 09:23:52,387 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:53,264 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-12-05 09:23:53,264 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 1128 proven. 10 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-12-05 09:23:53,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:53,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384339562] [2024-12-05 09:23:53,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384339562] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:53,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885661838] [2024-12-05 09:23:53,981 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:23:53,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:53,983 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:53,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-05 09:23:54,989 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-12-05 09:23:54,989 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:54,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 09:23:55,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:55,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 972 proven. 10 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-12-05 09:23:55,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:23:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1415 backedges. 972 proven. 10 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-12-05 09:23:55,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885661838] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:23:55,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:23:55,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 29 [2024-12-05 09:23:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641546737] [2024-12-05 09:23:55,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:23:55,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-05 09:23:55,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:23:55,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-05 09:23:55,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2024-12-05 09:23:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:55,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:23:55,692 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) [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:55,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:23:55,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:23:55,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:23:55,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-05 09:23:56,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-12-05 09:23:56,139 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:23:56,139 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:23:56,139 INFO L139 ounterexampleChecker]: Examining path program with hash 77142535, occurence #2 [2024-12-05 09:23:56,139 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:23:56,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:23:56,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 09:23:56,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-05 09:23:56,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:56,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-05 09:23:56,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:56,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 09:23:56,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:56,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-05 09:23:56,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-05 09:23:56,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:56,173 INFO L85 PathProgramCache]: Analyzing trace with hash 126978766, now seen corresponding path program 1 times [2024-12-05 09:23:56,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:56,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142285714] [2024-12-05 09:23:56,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:56,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 09:23:56,231 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-05 09:23:56,231 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,232 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2024-12-05 09:23:56,232 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:56,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-12-05 09:23:56,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:56,272 INFO L85 PathProgramCache]: Analyzing trace with hash 227629497, now seen corresponding path program 1 times [2024-12-05 09:23:56,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:23:56,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572414291] [2024-12-05 09:23:56,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:56,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 648 proven. 86 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-12-05 09:23:57,367 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:23:57,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572414291] [2024-12-05 09:23:57,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572414291] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:57,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2144018008] [2024-12-05 09:23:57,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:23:57,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:23:57,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 09:23:57,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:58,045 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 [2024-12-05 09:23:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1266 backedges. 694 proven. 40 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-12-05 09:23:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2144018008] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:58,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:23:58,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2024-12-05 09:23:58,064 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 293 is hopeless, skipping. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 309 is hopeless, skipping. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 325 is hopeless, skipping. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 336 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 341 is hopeless, skipping. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 359 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2024-12-05 09:23:58,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:23:58,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-12-05 09:23:58,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:23:58,065 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:23:58,065 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:23:58,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:23:58,066 INFO L85 PathProgramCache]: Analyzing trace with hash 764336362, now seen corresponding path program 12 times [2024-12-05 09:23:58,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:23:58,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928390954] [2024-12-05 09:23:58,066 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:58,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:23:58,325 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-12-05 09:23:58,325 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:58,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 325 proven. 96 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2024-12-05 09:23:58,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:23:58,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928390954] [2024-12-05 09:23:58,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928390954] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:23:58,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308963003] [2024-12-05 09:23:58,984 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:23:58,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:23:58,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:23:58,986 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:23:58,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-05 09:23:59,568 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-12-05 09:23:59,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:23:59,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 09:23:59,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:23:59,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:23:59,995 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 [2024-12-05 09:24:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 410 proven. 10 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-12-05 09:24:00,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:24:00,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:24:00,375 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 [2024-12-05 09:24:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 325 proven. 95 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-12-05 09:24:00,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308963003] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:24:00,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:24:00,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-12-05 09:24:00,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413599633] [2024-12-05 09:24:00,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:24:00,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-05 09:24:00,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:24:00,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-05 09:24:00,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2024-12-05 09:24:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:00,527 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:24:00,528 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) [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:00,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:01,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-05 09:24:01,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-12-05 09:24:01,453 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:24:01,453 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:24:01,454 INFO L139 ounterexampleChecker]: Examining path program with hash -1818241705, occurence #1 [2024-12-05 09:24:01,454 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:24:01,454 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:24:01,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:01,454 INFO L85 PathProgramCache]: Analyzing trace with hash 437129186, now seen corresponding path program 13 times [2024-12-05 09:24:01,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:24:01,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749805925] [2024-12-05 09:24:01,454 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:24:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6850 backedges. 2257 proven. 85 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2024-12-05 09:24:03,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:24:03,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749805925] [2024-12-05 09:24:03,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749805925] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:03,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908747841] [2024-12-05 09:24:03,102 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:24:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:24:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:24:03,103 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:24:03,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-05 09:24:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:03,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 2086 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 09:24:03,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:04,004 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 [2024-12-05 09:24:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6850 backedges. 2300 proven. 42 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2024-12-05 09:24:04,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:24:04,230 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 [2024-12-05 09:24:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6850 backedges. 2300 proven. 42 refuted. 0 times theorem prover too weak. 4508 trivial. 0 not checked. [2024-12-05 09:24:04,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908747841] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:24:04,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:24:04,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 50 [2024-12-05 09:24:04,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600700500] [2024-12-05 09:24:04,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:24:04,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-12-05 09:24:04,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:24:04,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-12-05 09:24:04,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=1995, Unknown=0, NotChecked=0, Total=2450 [2024-12-05 09:24:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:04,472 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:24:04,473 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) [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:04,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:04,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:04,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-05 09:24:04,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-12-05 09:24:04,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:24:04,865 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:24:04,866 INFO L139 ounterexampleChecker]: Examining path program with hash -1818241705, occurence #2 [2024-12-05 09:24:04,866 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:24:04,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 09:24:04,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-05 09:24:04,866 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 09:24:04,866 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 09:24:04,866 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-05 09:24:04,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-12-05 09:24:04,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-12-05 09:24:04,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 282 [2024-12-05 09:24:04,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2024-12-05 09:24:04,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-12-05 09:24:04,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 486 [2024-12-05 09:24:04,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2024-12-05 09:24:04,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2024-12-05 09:24:04,867 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:04,867 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 510 [2024-12-05 09:24:04,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash -89495400, now seen corresponding path program 1 times [2024-12-05 09:24:04,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:24:04,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253792598] [2024-12-05 09:24:04,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:04,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 2634 proven. 131 refuted. 0 times theorem prover too weak. 3940 trivial. 0 not checked. [2024-12-05 09:24:06,611 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:24:06,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253792598] [2024-12-05 09:24:06,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253792598] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:06,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [852483613] [2024-12-05 09:24:06,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:06,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:06,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 09:24:06,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:07,453 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 [2024-12-05 09:24:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 2713 proven. 52 refuted. 0 times theorem prover too weak. 3940 trivial. 0 not checked. [2024-12-05 09:24:07,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [852483613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:07,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:24:07,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 44 [2024-12-05 09:24:07,482 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:24:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2024-12-05 09:24:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2024-12-05 09:24:07,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:07,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2024-12-05 09:24:07,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:07,516 INFO L85 PathProgramCache]: Analyzing trace with hash -441527436, now seen corresponding path program 1 times [2024-12-05 09:24:07,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:24:07,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883464401] [2024-12-05 09:24:07,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:07,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6713 backedges. 2558 proven. 103 refuted. 0 times theorem prover too weak. 4052 trivial. 0 not checked. [2024-12-05 09:24:09,123 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:24:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883464401] [2024-12-05 09:24:09,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883464401] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [231875666] [2024-12-05 09:24:09,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:09,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:09,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 1874 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 09:24:09,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:09,938 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 [2024-12-05 09:24:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6713 backedges. 2609 proven. 52 refuted. 0 times theorem prover too weak. 4052 trivial. 0 not checked. [2024-12-05 09:24:09,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [231875666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:09,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:24:09,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 44 [2024-12-05 09:24:09,962 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:24:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2024-12-05 09:24:09,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 542 is hopeless, skipping. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 558 is hopeless, skipping. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 569 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 574 is hopeless, skipping. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 592 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2024-12-05 09:24:09,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:09,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 595 [2024-12-05 09:24:09,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:09,963 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:24:09,963 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:24:09,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:09,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1574810254, now seen corresponding path program 14 times [2024-12-05 09:24:09,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:24:09,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265644266] [2024-12-05 09:24:09,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:24:09,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:10,165 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:24:10,166 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 6859 backedges. 2564 proven. 97 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-12-05 09:24:11,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:24:11,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265644266] [2024-12-05 09:24:11,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265644266] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:11,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689670319] [2024-12-05 09:24:11,891 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:24:11,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:24:11,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:24:11,893 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:24:11,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-05 09:24:12,293 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:24:12,294 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:12,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 09:24:12,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:12,892 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 [2024-12-05 09:24:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6859 backedges. 2609 proven. 52 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-12-05 09:24:12,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:24:13,195 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 [2024-12-05 09:24:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6859 backedges. 2609 proven. 52 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2024-12-05 09:24:13,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689670319] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:24:13,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:24:13,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 55 [2024-12-05 09:24:13,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147185536] [2024-12-05 09:24:13,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:24:13,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-12-05 09:24:13,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:24:13,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-12-05 09:24:13,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=2414, Unknown=0, NotChecked=0, Total=2970 [2024-12-05 09:24:13,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:13,477 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:24:13,477 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) [2024-12-05 09:24:13,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:24:13,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-05 09:24:14,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2024-12-05 09:24:14,023 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:24:14,023 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:24:14,024 INFO L139 ounterexampleChecker]: Examining path program with hash -1818241705, occurence #3 [2024-12-05 09:24:14,024 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:24:14,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-05 09:24:14,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-05 09:24:14,024 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-05 09:24:14,024 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 09:24:14,024 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-05 09:24:14,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-12-05 09:24:14,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-12-05 09:24:14,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-12-05 09:24:14,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 351 [2024-12-05 09:24:14,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2024-12-05 09:24:14,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2024-12-05 09:24:14,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2024-12-05 09:24:14,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 507 [2024-12-05 09:24:14,025 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:14,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2024-12-05 09:24:14,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:14,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1490242486, now seen corresponding path program 1 times [2024-12-05 09:24:14,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:24:14,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743572323] [2024-12-05 09:24:14,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:14,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6715 backedges. 2915 proven. 154 refuted. 0 times theorem prover too weak. 3646 trivial. 0 not checked. [2024-12-05 09:24:15,616 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:24:15,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743572323] [2024-12-05 09:24:15,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743572323] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:15,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1975785859] [2024-12-05 09:24:15,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:15,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:15,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 1835 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 09:24:15,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:16,556 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 [2024-12-05 09:24:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6715 backedges. 3006 proven. 63 refuted. 0 times theorem prover too weak. 3646 trivial. 0 not checked. [2024-12-05 09:24:16,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1975785859] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:16,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:24:16,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-12-05 09:24:16,586 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:24:16,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2024-12-05 09:24:16,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:16,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2024-12-05 09:24:16,587 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:16,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2024-12-05 09:24:16,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1146898214, now seen corresponding path program 1 times [2024-12-05 09:24:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:24:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600631910] [2024-12-05 09:24:16,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:16,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6723 backedges. 2847 proven. 122 refuted. 0 times theorem prover too weak. 3754 trivial. 0 not checked. [2024-12-05 09:24:18,434 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:24:18,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600631910] [2024-12-05 09:24:18,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600631910] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:18,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1742591930] [2024-12-05 09:24:18,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:18,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 09:24:18,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:19,328 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 [2024-12-05 09:24:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6723 backedges. 2906 proven. 63 refuted. 0 times theorem prover too weak. 3754 trivial. 0 not checked. [2024-12-05 09:24:19,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1742591930] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:19,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:24:19,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-12-05 09:24:19,360 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:24:19,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-12-05 09:24:19,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2024-12-05 09:24:19,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,360 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 543 is hopeless, skipping. [2024-12-05 09:24:19,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-12-05 09:24:19,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 555 [2024-12-05 09:24:19,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,360 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 559 is hopeless, skipping. [2024-12-05 09:24:19,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2024-12-05 09:24:19,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2024-12-05 09:24:19,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,361 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 575 is hopeless, skipping. [2024-12-05 09:24:19,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2024-12-05 09:24:19,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2024-12-05 09:24:19,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 594 [2024-12-05 09:24:19,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:19,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2024-12-05 09:24:19,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:19,361 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:24:19,361 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:24:19,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1811782302, now seen corresponding path program 15 times [2024-12-05 09:24:19,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:24:19,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193275007] [2024-12-05 09:24:19,363 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:24:19,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:19,795 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-05 09:24:19,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6869 backedges. 84 proven. 86 refuted. 0 times theorem prover too weak. 6699 trivial. 0 not checked. [2024-12-05 09:24:20,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:24:20,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193275007] [2024-12-05 09:24:20,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193275007] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:20,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341582143] [2024-12-05 09:24:20,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:24:20,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:24:20,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:24:20,249 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:24:20,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-05 09:24:21,309 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-05 09:24:21,309 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:21,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 09:24:21,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6869 backedges. 109 proven. 61 refuted. 0 times theorem prover too weak. 6699 trivial. 0 not checked. [2024-12-05 09:24:23,574 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:24:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6869 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 6699 trivial. 0 not checked. [2024-12-05 09:24:25,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341582143] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:24:25,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:24:25,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2024-12-05 09:24:25,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206854445] [2024-12-05 09:24:25,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:24:25,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-05 09:24:25,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:24:25,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-05 09:24:25,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=1580, Unknown=0, NotChecked=0, Total=1980 [2024-12-05 09:24:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:25,378 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:24:25,378 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) [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:25,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:24:25,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:24:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:24:25,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-05 09:24:25,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-12-05 09:24:25,879 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:24:25,879 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:24:25,879 INFO L139 ounterexampleChecker]: Examining path program with hash -1818241705, occurence #4 [2024-12-05 09:24:25,879 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:24:25,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 09:24:25,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-05 09:24:25,880 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-05 09:24:25,880 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-05 09:24:25,880 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-05 09:24:25,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-12-05 09:24:25,880 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 508 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2024-12-05 09:24:25,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:25,882 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2024-12-05 09:24:25,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:25,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1013045488, now seen corresponding path program 1 times [2024-12-05 09:24:25,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:24:25,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61836781] [2024-12-05 09:24:25,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 2915 proven. 154 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2024-12-05 09:24:27,514 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:24:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61836781] [2024-12-05 09:24:27,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61836781] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1652015657] [2024-12-05 09:24:27,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:27,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:27,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 09:24:27,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:28,376 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 [2024-12-05 09:24:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 3006 proven. 63 refuted. 0 times theorem prover too weak. 3659 trivial. 0 not checked. [2024-12-05 09:24:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1652015657] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:28,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:24:28,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-12-05 09:24:28,404 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:24:28,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2024-12-05 09:24:28,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:28,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2024-12-05 09:24:28,404 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:28,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2024-12-05 09:24:28,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:28,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2096088596, now seen corresponding path program 1 times [2024-12-05 09:24:28,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-05 09:24:28,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669622399] [2024-12-05 09:24:28,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:28,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 2847 proven. 122 refuted. 0 times theorem prover too weak. 3767 trivial. 0 not checked. [2024-12-05 09:24:30,049 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-05 09:24:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669622399] [2024-12-05 09:24:30,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669622399] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2065582785] [2024-12-05 09:24:30,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-05 09:24:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:24:30,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 09:24:30,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:30,943 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 [2024-12-05 09:24:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 2906 proven. 63 refuted. 0 times theorem prover too weak. 3767 trivial. 0 not checked. [2024-12-05 09:24:30,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2065582785] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:30,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-05 09:24:30,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2024-12-05 09:24:30,969 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 540 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 541 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 545 is hopeless, skipping. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 557 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 561 is hopeless, skipping. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 573 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 577 is hopeless, skipping. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2024-12-05 09:24:30,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 595 [2024-12-05 09:24:30,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2024-12-05 09:24:30,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:24:30,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 598 [2024-12-05 09:24:30,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:24:30,971 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:24:30,971 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:24:30,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1693571746, now seen corresponding path program 16 times [2024-12-05 09:24:30,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:24:30,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772564234] [2024-12-05 09:24:30,971 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:24:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:31,118 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:24:31,118 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6882 backedges. 5125 proven. 1472 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-12-05 09:24:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:24:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772564234] [2024-12-05 09:24:33,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772564234] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:33,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472246943] [2024-12-05 09:24:33,454 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:24:33,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:24:33,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:24:33,455 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:24:33,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-05 09:24:33,751 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:24:33,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:33,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 09:24:33,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:24:38,111 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 [2024-12-05 09:24:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6882 backedges. 5122 proven. 1532 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-12-05 09:24:38,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:24:39,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:24:39,857 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 [2024-12-05 09:24:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6882 backedges. 5152 proven. 1426 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-05 09:24:40,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472246943] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:24:40,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:24:40,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 54, 47] total 143 [2024-12-05 09:24:40,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689628426] [2024-12-05 09:24:40,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:24:40,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-12-05 09:24:40,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:24:40,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-12-05 09:24:40,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6145, Invalid=14161, Unknown=0, NotChecked=0, Total=20306 [2024-12-05 09:24:40,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:40,260 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:24:40,261 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) [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:40,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:40,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:40,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:24:40,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:24:40,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:24:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:24:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:24:43,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-05 09:24:43,823 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_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:24:43,823 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:24:43,824 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:24:43,824 INFO L139 ounterexampleChecker]: Examining path program with hash -928714247, occurence #1 [2024-12-05 09:24:43,824 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:24:43,824 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:24:43,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:24:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1136815672, now seen corresponding path program 17 times [2024-12-05 09:24:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:24:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467424726] [2024-12-05 09:24:43,824 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:24:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:24:45,511 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-12-05 09:24:45,511 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:24:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 109 proven. 4330 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-12-05 09:24:46,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:24:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467424726] [2024-12-05 09:24:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467424726] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:24:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290229967] [2024-12-05 09:24:46,376 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:24:46,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:24:46,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:24:46,377 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:24:46,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-05 09:25:16,958 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2024-12-05 09:25:16,958 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:16,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 09:25:16,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:25:17,796 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 [2024-12-05 09:25:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 3150 proven. 708 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2024-12-05 09:25:17,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:25:18,272 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 [2024-12-05 09:25:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5595 backedges. 3150 proven. 708 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2024-12-05 09:25:18,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290229967] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:25:18,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:25:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25, 25] total 62 [2024-12-05 09:25:18,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958162405] [2024-12-05 09:25:18,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:25:18,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-12-05 09:25:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:25:18,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-12-05 09:25:18,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=3302, Unknown=0, NotChecked=0, Total=3782 [2024-12-05 09:25:18,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:18,737 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:25:18,737 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) [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:25:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:18,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:19,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-05 09:25:19,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-12-05 09:25:19,914 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-05 09:25:19,914 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:25:19,914 INFO L139 ounterexampleChecker]: Examining path program with hash 1857446087, occurence #1 [2024-12-05 09:25:19,914 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:25:19,914 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:25:19,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:25:19,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1727178131, now seen corresponding path program 18 times [2024-12-05 09:25:19,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:25:19,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680887475] [2024-12-05 09:25:19,914 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:25:19,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:25:20,143 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-05 09:25:20,144 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9927 backedges. 15 proven. 3008 refuted. 0 times theorem prover too weak. 6904 trivial. 0 not checked. [2024-12-05 09:25:20,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:25:20,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680887475] [2024-12-05 09:25:20,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680887475] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:25:20,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47286539] [2024-12-05 09:25:20,641 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-05 09:25:20,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:25:20,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:25:20,642 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:25:20,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-05 09:25:21,416 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-05 09:25:21,417 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:21,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 09:25:21,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:25:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9927 backedges. 21 proven. 3002 refuted. 0 times theorem prover too weak. 6904 trivial. 0 not checked. [2024-12-05 09:25:23,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:25:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9927 backedges. 28 proven. 3005 refuted. 0 times theorem prover too weak. 6894 trivial. 0 not checked. [2024-12-05 09:25:26,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47286539] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:25:26,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:25:26,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 20] total 48 [2024-12-05 09:25:26,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224556187] [2024-12-05 09:25:26,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:25:26,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-12-05 09:25:26,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:25:26,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-12-05 09:25:26,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=396, Invalid=1956, Unknown=0, NotChecked=0, Total=2352 [2024-12-05 09:25:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:26,012 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:25:26,012 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) [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:26,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:27,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 09:25:27,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-05 09:25:27,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-12-05 09:25:27,254 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)] === [2024-12-05 09:25:27,254 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:25:27,254 INFO L139 ounterexampleChecker]: Examining path program with hash -1997862773, occurence #1 [2024-12-05 09:25:27,254 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:25:27,254 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:25:27,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:25:27,255 INFO L85 PathProgramCache]: Analyzing trace with hash 547839806, now seen corresponding path program 19 times [2024-12-05 09:25:27,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:25:27,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22095147] [2024-12-05 09:25:27,255 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:25:27,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:25:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:25:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10163 backedges. 5090 proven. 865 refuted. 0 times theorem prover too weak. 4208 trivial. 0 not checked. [2024-12-05 09:25:29,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:25:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22095147] [2024-12-05 09:25:29,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22095147] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:25:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591200451] [2024-12-05 09:25:29,760 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-05 09:25:29,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:25:29,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:25:29,761 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:25:29,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-05 09:25:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 09:25:30,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 2557 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 09:25:30,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:25:31,033 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 [2024-12-05 09:25:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10163 backedges. 3963 proven. 75 refuted. 0 times theorem prover too weak. 6125 trivial. 0 not checked. [2024-12-05 09:25:31,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:25:31,558 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 [2024-12-05 09:25:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10163 backedges. 3963 proven. 75 refuted. 0 times theorem prover too weak. 6125 trivial. 0 not checked. [2024-12-05 09:25:32,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591200451] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:25:32,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:25:32,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 27] total 76 [2024-12-05 09:25:32,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080618544] [2024-12-05 09:25:32,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:25:32,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-12-05 09:25:32,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:25:32,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-12-05 09:25:32,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=827, Invalid=4873, Unknown=0, NotChecked=0, Total=5700 [2024-12-05 09:25:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:32,035 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:25:32,035 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) [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:32,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:32,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:32,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:32,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:32,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 09:25:32,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:32,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:32,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 09:25:32,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:32,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-05 09:25:32,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:25:32,558 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)] === [2024-12-05 09:25:32,558 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:25:32,559 INFO L139 ounterexampleChecker]: Examining path program with hash -1997862773, occurence #2 [2024-12-05 09:25:32,559 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:25:32,559 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-05 09:25:32,559 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-05 09:25:32,559 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-05 09:25:32,559 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-05 09:25:32,559 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-12-05 09:25:32,559 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-12-05 09:25:32,559 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-05 09:25:32,559 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-12-05 09:25:32,559 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 443 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 581 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 623 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 635 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 647 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 659 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 707 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 715 [2024-12-05 09:25:32,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 716 [2024-12-05 09:25:32,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 721 [2024-12-05 09:25:32,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 725 [2024-12-05 09:25:32,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 729 [2024-12-05 09:25:32,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2024-12-05 09:25:32,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2024-12-05 09:25:32,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:32,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2024-12-05 09:25:32,561 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:32,561 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:25:32,561 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:25:32,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:25:32,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1634585490, now seen corresponding path program 20 times [2024-12-05 09:25:32,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:25:32,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722334412] [2024-12-05 09:25:32,562 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:25:32,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:25:32,763 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:25:32,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 612 proven. 2583 refuted. 0 times theorem prover too weak. 6980 trivial. 0 not checked. [2024-12-05 09:25:34,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:25:34,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722334412] [2024-12-05 09:25:34,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722334412] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:25:34,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478502455] [2024-12-05 09:25:34,379 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-05 09:25:34,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:25:34,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:25:34,381 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:25:34,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-05 09:25:34,937 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-05 09:25:34,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:34,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 09:25:34,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:25:35,859 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 [2024-12-05 09:25:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 4323 proven. 88 refuted. 0 times theorem prover too weak. 5764 trivial. 0 not checked. [2024-12-05 09:25:35,892 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:25:36,418 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 [2024-12-05 09:25:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 4323 proven. 88 refuted. 0 times theorem prover too weak. 5764 trivial. 0 not checked. [2024-12-05 09:25:36,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478502455] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:25:36,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:25:36,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 29, 29] total 72 [2024-12-05 09:25:36,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732196021] [2024-12-05 09:25:36,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:25:36,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-12-05 09:25:36,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:25:36,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-12-05 09:25:36,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=656, Invalid=4456, Unknown=0, NotChecked=0, Total=5112 [2024-12-05 09:25:36,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:36,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:25:36,930 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) [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:36,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:37,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:25:37,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-05 09:25:37,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-12-05 09:25:37,591 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)] === [2024-12-05 09:25:37,591 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:25:37,591 INFO L139 ounterexampleChecker]: Examining path program with hash -1997862773, occurence #3 [2024-12-05 09:25:37,591 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-05 09:25:37,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-05 09:25:37,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-05 09:25:37,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-05 09:25:37,591 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:37,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-05 09:25:37,591 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:37,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-05 09:25:37,591 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:37,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-05 09:25:37,591 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 609 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 625 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 637 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2024-12-05 09:25:37,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 709 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 718 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 723 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 727 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 733 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2024-12-05 09:25:37,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-05 09:25:37,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2024-12-05 09:25:37,593 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-05 09:25:37,593 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-05 09:25:37,593 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:25:37,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:25:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2133470636, now seen corresponding path program 21 times [2024-12-05 09:25:37,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:25:37,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340729239] [2024-12-05 09:25:37,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:25:37,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:25:37,937 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-05 09:25:37,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10196 backedges. 2498 proven. 205 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2024-12-05 09:25:39,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:25:39,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340729239] [2024-12-05 09:25:39,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340729239] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:25:39,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71781640] [2024-12-05 09:25:39,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-05 09:25:39,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:25:39,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:25:39,188 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:25:39,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-05 09:25:41,341 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-05 09:25:41,341 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:41,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 09:25:41,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:25:44,718 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:25:44,718 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 [2024-12-05 09:25:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10196 backedges. 2520 proven. 181 refuted. 0 times theorem prover too weak. 7495 trivial. 0 not checked. [2024-12-05 09:25:45,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:25:46,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 09:25:46,284 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 [2024-12-05 09:25:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 10196 backedges. 2500 proven. 203 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2024-12-05 09:25:48,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71781640] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:25:48,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:25:48,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 30] total 84 [2024-12-05 09:25:48,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527435606] [2024-12-05 09:25:48,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:25:48,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-12-05 09:25:48,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:25:48,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-12-05 09:25:48,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=884, Invalid=6088, Unknown=0, NotChecked=0, Total=6972 [2024-12-05 09:25:48,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:48,761 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:25:48,762 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) [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:25:48,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:25:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:25:52,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-05 09:25:52,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-12-05 09:25:52,941 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)] === [2024-12-05 09:25:52,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:25:52,942 INFO L139 ounterexampleChecker]: Examining path program with hash -1474303151, occurence #1 [2024-12-05 09:25:52,942 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:25:52,942 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:25:52,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:25:52,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2131929966, now seen corresponding path program 22 times [2024-12-05 09:25:52,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:25:52,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394590172] [2024-12-05 09:25:52,943 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:25:52,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:25:53,435 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:25:53,435 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 31349 proven. 544 refuted. 0 times theorem prover too weak. 5443 trivial. 0 not checked. [2024-12-05 09:25:54,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:25:54,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394590172] [2024-12-05 09:25:54,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394590172] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:25:54,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830930537] [2024-12-05 09:25:54,531 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-05 09:25:54,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:25:54,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:25:54,533 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:25:54,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-05 09:25:55,080 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-05 09:25:55,080 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:25:55,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 09:25:55,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 09:25:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 24174 proven. 8894 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2024-12-05 09:25:59,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-05 09:26:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 37336 backedges. 24188 proven. 8880 refuted. 0 times theorem prover too weak. 4268 trivial. 0 not checked. [2024-12-05 09:26:03,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830930537] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-05 09:26:03,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-05 09:26:03,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 24, 24] total 60 [2024-12-05 09:26:03,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442031589] [2024-12-05 09:26:03,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-05 09:26:03,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-05 09:26:03,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-05 09:26:03,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-05 09:26:03,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=592, Invalid=2948, Unknown=0, NotChecked=0, Total=3540 [2024-12-05 09:26:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:26:03,316 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-05 09:26:03,317 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) [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:26:03,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:26:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-05 09:26:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:26:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-05 09:26:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-05 09:26:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-05 09:26:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-05 09:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-05 09:26:04,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-05 09:26:05,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-12-05 09:26:05,114 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)] === [2024-12-05 09:26:05,114 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-05 09:26:05,114 INFO L139 ounterexampleChecker]: Examining path program with hash -1207071747, occurence #1 [2024-12-05 09:26:05,114 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-05 09:26:05,114 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-05 09:26:05,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 09:26:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1835637762, now seen corresponding path program 23 times [2024-12-05 09:26:05,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-05 09:26:05,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905300391] [2024-12-05 09:26:05,115 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:26:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 09:26:41,298 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 80 check-sat command(s) [2024-12-05 09:26:41,298 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-05 09:26:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 37244 backedges. 36480 proven. 240 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-12-05 09:26:57,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-05 09:26:57,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905300391] [2024-12-05 09:26:57,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905300391] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-05 09:26:57,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648325350] [2024-12-05 09:26:57,187 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-05 09:26:57,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-05 09:26:57,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 [2024-12-05 09:26:57,189 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-05 09:26:57,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547e9d48-f5a6-4036-9367-1020f6375bf6/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process