./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:28:15,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:28:15,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:28:15,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:28:15,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:28:15,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:28:15,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:28:15,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:28:15,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:28:15,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:28:15,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:28:15,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:28:15,507 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:28:15,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:28:15,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:28:15,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:28:15,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:28:15,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:28:15,509 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:28:15,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:28:15,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:28:15,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:28:15,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:28:15,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:28:15,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:28:15,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:28:15,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:28:15,512 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:28:15,512 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:28:15,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:28:15,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:28:15,512 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:28:15,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:28:15,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:28:15,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:28:15,513 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:28:15,513 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:28:15,513 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_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f [2024-11-23 11:28:15,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:28:15,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:28:15,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:28:15,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:28:15,908 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:28:15,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-11-23 11:28:19,129 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/data/07e65eadb/816a44deffe2482bba8fef5a4d59d94c/FLAGfb2f58df2 [2024-11-23 11:28:19,602 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:28:19,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2024-11-23 11:28:19,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/data/07e65eadb/816a44deffe2482bba8fef5a4d59d94c/FLAGfb2f58df2 [2024-11-23 11:28:19,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/data/07e65eadb/816a44deffe2482bba8fef5a4d59d94c [2024-11-23 11:28:19,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:28:19,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:28:19,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:28:19,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:28:19,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:28:19,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:19" (1/1) ... [2024-11-23 11:28:19,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d2f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:19, skipping insertion in model container [2024-11-23 11:28:19,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:19" (1/1) ... [2024-11-23 11:28:19,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:28:20,281 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_7c7772d8-c9fc-4601-ae02-9adbca8a5284/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-11-23 11:28:20,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:28:20,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:28:20,416 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_7c7772d8-c9fc-4601-ae02-9adbca8a5284/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-11-23 11:28:20,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:28:20,521 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:28:20,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20 WrapperNode [2024-11-23 11:28:20,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:28:20,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:28:20,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:28:20,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:28:20,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,607 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 318 [2024-11-23 11:28:20,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:28:20,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:28:20,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:28:20,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:28:20,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,648 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:28:20,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:28:20,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:28:20,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:28:20,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (1/1) ... [2024-11-23 11:28:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:28:20,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:20,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:28:20,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:28:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 11:28:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 11:28:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 11:28:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:28:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:28:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 11:28:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:28:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 11:28:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 11:28:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:28:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:28:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:28:20,783 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:28:20,984 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:28:20,986 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:28:21,733 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:28:21,733 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:28:22,481 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:28:22,481 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-23 11:28:22,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:22 BoogieIcfgContainer [2024-11-23 11:28:22,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:28:22,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:28:22,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:28:22,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:28:22,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:28:19" (1/3) ... [2024-11-23 11:28:22,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f5b1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:22, skipping insertion in model container [2024-11-23 11:28:22,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:20" (2/3) ... [2024-11-23 11:28:22,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f5b1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:22, skipping insertion in model container [2024-11-23 11:28:22,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:22" (3/3) ... [2024-11-23 11:28:22,499 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2024-11-23 11:28:22,519 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:28:22,521 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 94 locations, 1 initial locations, 20 loop locations, and 3 error locations. [2024-11-23 11:28:22,521 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:28:22,598 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 11:28:22,682 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:28:22,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:28:22,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:22,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:28:22,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:28:22,815 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:28:22,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-23 11:28:22,853 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;@c73b6ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:28:22,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 11:28:23,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:23,322 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:23,323 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #1 [2024-11-23 11:28:23,323 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:23,323 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:23,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:23,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1568876922, now seen corresponding path program 1 times [2024-11-23 11:28:23,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:23,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234147695] [2024-11-23 11:28:23,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:23,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:23,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:23,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234147695] [2024-11-23 11:28:23,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234147695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:23,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:23,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 11:28:23,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688773634] [2024-11-23 11:28:23,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:23,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 11:28:23,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:23,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 11:28:23,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 11:28:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:23,852 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:23,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:23,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:23,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:23,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:28:23,977 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:23,978 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:23,978 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #2 [2024-11-23 11:28:23,978 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:28:23,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-23 11:28:23,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:28:23,979 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:28:23,980 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:23,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 934032029, now seen corresponding path program 1 times [2024-11-23 11:28:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:23,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042516750] [2024-11-23 11:28:23,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:24,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:24,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042516750] [2024-11-23 11:28:24,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042516750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:28:24,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795985347] [2024-11-23 11:28:24,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:24,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:24,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:28:24,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 11:28:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:24,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 11:28:24,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:28:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:24,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:28:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:24,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795985347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:28:24,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:28:24,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-23 11:28:24,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335085217] [2024-11-23 11:28:24,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:28:24,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 11:28:24,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:24,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 11:28:24,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 11:28:24,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:24,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:24,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:24,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:24,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 11:28:24,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:24,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:24,897 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:24,897 INFO L139 ounterexampleChecker]: Examining path program with hash -1332904717, occurence #3 [2024-11-23 11:28:24,897 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:28:24,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-23 11:28:24,897 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:28:24,897 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:28:24,898 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:24,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:24,898 INFO L85 PathProgramCache]: Analyzing trace with hash 561947718, now seen corresponding path program 2 times [2024-11-23 11:28:24,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:24,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678705181] [2024-11-23 11:28:24,899 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:28:24,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:24,984 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:28:24,984 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-23 11:28:25,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:25,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678705181] [2024-11-23 11:28:25,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678705181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:25,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:25,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 11:28:25,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291946869] [2024-11-23 11:28:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:25,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 11:28:25,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:25,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 11:28:25,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 11:28:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:25,770 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:25,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:25,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:26,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:26,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:28:26,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:26,117 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:26,117 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #1 [2024-11-23 11:28:26,117 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:26,117 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:26,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:26,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1906437794, now seen corresponding path program 1 times [2024-11-23 11:28:26,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:26,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039026303] [2024-11-23 11:28:26,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:26,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:28:26,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:26,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039026303] [2024-11-23 11:28:26,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039026303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:28:26,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054059404] [2024-11-23 11:28:26,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:26,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:28:26,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 11:28:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:26,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 11:28:26,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:28:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:28:26,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:28:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-23 11:28:26,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054059404] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:28:26,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:28:26,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-23 11:28:26,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862650249] [2024-11-23 11:28:26,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:28:26,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 11:28:26,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:26,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 11:28:26,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-23 11:28:26,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:26,796 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:26,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:26,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:26,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:26,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:26,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:26,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 11:28:27,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:27,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:27,116 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:27,117 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #2 [2024-11-23 11:28:27,117 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:28:27,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:28:27,117 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:28:27,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:28:27,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:27,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:28:27,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:27,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:28:27,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:27,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:28:27,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:27,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:28:27,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:27,118 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:28:27,118 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:27,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1360859326, now seen corresponding path program 2 times [2024-11-23 11:28:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:27,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386529774] [2024-11-23 11:28:27,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:28:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:27,247 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:28:27,249 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:28,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:28,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386529774] [2024-11-23 11:28:28,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386529774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:28:28,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661143883] [2024-11-23 11:28:28,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:28:28,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:28,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:28,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:28:28,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 11:28:28,969 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:28:28,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:28,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-23 11:28:28,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:28:29,204 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:28:29,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:28:29,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:28:29,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:28:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:29,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:29,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:29,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:30,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:28:30,510 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_217 Int) (v_ArrVal_214 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_217))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:28:30,731 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:28:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:30,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661143883] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:28:30,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:28:30,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-23 11:28:30,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432625069] [2024-11-23 11:28:30,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:28:30,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-23 11:28:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:30,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-23 11:28:30,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=533, Unknown=16, NotChecked=98, Total=756 [2024-11-23 11:28:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:30,952 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:30,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:30,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:30,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:30,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:30,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:30,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:28:31,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 11:28:31,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:31,829 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:31,830 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:31,830 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #3 [2024-11-23 11:28:31,831 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:28:31,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:28:31,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:28:31,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:28:31,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:28:31,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:28:31,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:31,833 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:28:31,833 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:31,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:31,836 INFO L85 PathProgramCache]: Analyzing trace with hash 42918814, now seen corresponding path program 3 times [2024-11-23 11:28:31,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:31,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646483900] [2024-11-23 11:28:31,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:28:31,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:31,960 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-23 11:28:31,961 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:34,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646483900] [2024-11-23 11:28:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646483900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:28:34,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848306649] [2024-11-23 11:28:34,133 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:28:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:34,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:34,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:28:34,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 11:28:34,382 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-23 11:28:34,382 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:34,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-23 11:28:34,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:28:34,591 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:28:34,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:28:34,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:28:34,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:28:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:35,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:35,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:35,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:35,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:35,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:35,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:28:39,803 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_344 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31|)))) is different from false [2024-11-23 11:28:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:40,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848306649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:28:40,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:28:40,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2024-11-23 11:28:40,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165025506] [2024-11-23 11:28:40,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:28:40,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-23 11:28:40,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:40,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-23 11:28:40,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1091, Unknown=25, NotChecked=68, Total=1332 [2024-11-23 11:28:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:40,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:40,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.45945945945946) internal successors, (165), 36 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:28:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:28:41,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:41,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 11:28:41,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 11:28:41,725 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:41,725 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:41,725 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #4 [2024-11-23 11:28:41,725 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:28:41,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:28:41,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:28:41,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:28:41,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:28:41,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:28:41,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:28:41,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:28:41,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:28:41,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:28:41,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:28:41,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:28:41,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:28:41,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:28:41,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:28:41,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:28:41,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:28:41,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:28:41,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:41,728 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:28:41,728 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:41,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:41,729 INFO L85 PathProgramCache]: Analyzing trace with hash 598807034, now seen corresponding path program 4 times [2024-11-23 11:28:41,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:41,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508293934] [2024-11-23 11:28:41,729 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:28:41,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:41,833 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:28:41,833 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:45,155 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:45,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:45,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508293934] [2024-11-23 11:28:45,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508293934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:28:45,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659249663] [2024-11-23 11:28:45,156 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:28:45,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:45,158 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:28:45,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 11:28:46,159 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:28:46,159 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:46,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-23 11:28:46,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:28:46,380 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:28:46,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:28:46,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:28:46,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:28:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:46,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:46,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:46,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:47,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:47,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:47,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:47,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:28:47,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:28:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:48,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:28:49,159 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int) (v_ArrVal_510 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2024-11-23 11:28:49,268 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_510 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510) |c_~#cache~0.base|) (+ 84 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:28:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:49,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659249663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:28:49,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:28:49,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 43 [2024-11-23 11:28:49,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759951024] [2024-11-23 11:28:49,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:28:49,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-23 11:28:49,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:49,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-23 11:28:49,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1543, Unknown=19, NotChecked=162, Total=1892 [2024-11-23 11:28:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:49,448 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:49,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.113636363636363) internal successors, (225), 43 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:49,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:28:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:28:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:28:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:28:51,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 11:28:51,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:51,310 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:28:51,310 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:51,310 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #5 [2024-11-23 11:28:51,310 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:28:51,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:28:51,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:28:51,311 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,312 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:28:51,312 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:28:51,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-23 11:28:51,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:28:51,313 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:28:51,313 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:51,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:51,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1659402838, now seen corresponding path program 5 times [2024-11-23 11:28:51,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:51,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198646038] [2024-11-23 11:28:51,315 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:28:51,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:51,481 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-23 11:28:51,481 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:54,174 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:28:54,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198646038] [2024-11-23 11:28:54,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198646038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:28:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102235685] [2024-11-23 11:28:54,175 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 11:28:54,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:28:54,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:54,177 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:28:54,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 11:29:21,231 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-23 11:29:21,231 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:29:21,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-23 11:29:21,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:29:21,461 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:29:21,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:29:21,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:29:21,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:29:22,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:22,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:22,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:22,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:22,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:22,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:22,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:22,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:23,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:23,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:23,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:29:25,038 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (v_ArrVal_715 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_715))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:29:25,069 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2024-11-23 11:29:25,077 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:29:25,083 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:29:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:25,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102235685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:29:25,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:29:25,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2024-11-23 11:29:25,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530136723] [2024-11-23 11:29:25,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:29:25,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-23 11:29:25,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:29:25,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-23 11:29:25,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1738, Unknown=4, NotChecked=348, Total=2256 [2024-11-23 11:29:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:29:25,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:29:25,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.9375) internal successors, (285), 47 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:29:25,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:29:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:27,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:27,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 11:29:27,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:29:27,273 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:29:27,273 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:29:27,274 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #6 [2024-11-23 11:29:27,274 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:29:27,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:29:27,274 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:29:27,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:29:27,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:29:27,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:29:27,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:29:27,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:29:27,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:29:27,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:29:27,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:29:27,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-23 11:29:27,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-23 11:29:27,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:27,277 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:29:27,277 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:29:27,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:29:27,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1957421902, now seen corresponding path program 6 times [2024-11-23 11:29:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:29:27,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402261111] [2024-11-23 11:29:27,278 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:29:27,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:29:27,445 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-23 11:29:27,445 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:29:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:31,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:29:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402261111] [2024-11-23 11:29:31,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402261111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:29:31,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147721661] [2024-11-23 11:29:31,748 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-23 11:29:31,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:29:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:29:31,751 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:29:31,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 11:29:35,948 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-23 11:29:35,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:29:35,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-23 11:29:35,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:29:36,135 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:29:36,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:29:36,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:29:36,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:29:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:36,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:36,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:36,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:37,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:37,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:37,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:37,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:37,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:37,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:37,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:37,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:37,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:37,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:38,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:38,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:38,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:38,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:29:41,058 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_954 Int) (v_ArrVal_950 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_954))) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:29:41,307 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:29:41,314 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)))) is different from false [2024-11-23 11:29:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:41,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147721661] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:29:41,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:29:41,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2024-11-23 11:29:41,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207240430] [2024-11-23 11:29:41,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:29:41,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-11-23 11:29:41,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:29:41,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-11-23 11:29:41,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=2535, Unknown=21, NotChecked=312, Total=3080 [2024-11-23 11:29:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:29:41,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:29:41,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.160714285714286) internal successors, (345), 55 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:41,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:29:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:29:44,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 11:29:45,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:29:45,099 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:29:45,100 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:29:45,101 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #7 [2024-11-23 11:29:45,101 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:29:45,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:29:45,101 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:29:45,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:29:45,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,101 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:29:45,101 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:29:45,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:29:45,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:29:45,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:29:45,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:29:45,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:29:45,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:29:45,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:29:45,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:29:45,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:29:45,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:29:45,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:29:45,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:29:45,105 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-23 11:29:45,106 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-23 11:29:45,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-23 11:29:45,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-23 11:29:45,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-23 11:29:45,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-23 11:29:45,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-23 11:29:45,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-23 11:29:45,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:45,109 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:29:45,109 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:29:45,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:29:45,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1567426290, now seen corresponding path program 7 times [2024-11-23 11:29:45,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:29:45,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359569310] [2024-11-23 11:29:45,110 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:29:45,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:29:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:29:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:47,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:29:47,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359569310] [2024-11-23 11:29:47,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359569310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:29:47,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744335444] [2024-11-23 11:29:47,999 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-23 11:29:47,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:29:47,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:29:48,000 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:29:48,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 11:29:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:29:48,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-23 11:29:48,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:29:48,434 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:29:48,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:29:48,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:29:48,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:29:48,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:48,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:48,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:49,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:49,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:49,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:49,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:49,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:49,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:50,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:50,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:50,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:50,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:50,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:50,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:50,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:50,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:29:51,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:29:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:51,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:29:53,249 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int)) (v_ArrVal_1227 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1227))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:29:53,838 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:29:53,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744335444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:29:53,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:29:53,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 56 [2024-11-23 11:29:53,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831024628] [2024-11-23 11:29:53,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:29:53,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-23 11:29:53,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:29:53,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-23 11:29:53,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2824, Unknown=32, NotChecked=108, Total=3192 [2024-11-23 11:29:53,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:29:53,843 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:29:53,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.105263157894737) internal successors, (405), 56 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:29:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:29:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:29:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:29:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:29:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:29:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:29:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:29:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:29:56,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 11:29:56,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:29:56,476 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:29:56,476 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:29:56,477 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #8 [2024-11-23 11:29:56,477 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:29:56,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:29:56,477 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:29:56,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:29:56,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:29:56,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:29:56,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:29:56,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:29:56,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:29:56,478 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,478 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-23 11:29:56,479 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-23 11:29:56,480 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-23 11:29:56,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-23 11:29:56,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-23 11:29:56,481 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:29:56,481 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:29:56,481 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:29:56,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:29:56,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1463546006, now seen corresponding path program 8 times [2024-11-23 11:29:56,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:29:56,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449029330] [2024-11-23 11:29:56,483 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:29:56,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:29:56,566 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:29:56,567 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:30:00,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:00,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449029330] [2024-11-23 11:30:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449029330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:00,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539545668] [2024-11-23 11:30:00,638 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:30:00,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:00,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:00,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:00,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 11:30:00,977 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 11:30:00,977 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:00,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-23 11:30:00,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:30:01,178 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:30:01,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:30:01,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:30:01,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:30:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:01,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:01,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:02,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:02,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:02,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:02,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:02,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:03,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:03,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:03,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:03,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:03,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:03,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:04,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:04,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:04,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:04,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:30:04,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:30:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:30:04,755 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:30:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:30:12,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539545668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:30:12,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:30:12,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2024-11-23 11:30:12,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738064203] [2024-11-23 11:30:12,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:30:12,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-23 11:30:12,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:30:12,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-23 11:30:12,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3699, Unknown=72, NotChecked=0, Total=4032 [2024-11-23 11:30:12,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:12,292 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:30:12,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.265625) internal successors, (465), 63 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:30:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:30:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:30:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:30:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:30:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:30:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:30:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:30:15,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:30:15,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 11:30:15,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-23 11:30:15,696 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:30:15,696 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:30:15,696 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #9 [2024-11-23 11:30:15,696 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:30:15,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:30:15,696 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:30:15,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:30:15,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:30:15,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:30:15,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:30:15,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:30:15,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-23 11:30:15,699 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-23 11:30:15,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-23 11:30:15,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-23 11:30:15,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-23 11:30:15,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-23 11:30:15,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-23 11:30:15,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-23 11:30:15,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-23 11:30:15,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-23 11:30:15,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-23 11:30:15,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-23 11:30:15,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-23 11:30:15,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-23 11:30:15,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-23 11:30:15,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:30:15,702 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:30:15,702 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:30:15,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:30:15,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1485201350, now seen corresponding path program 9 times [2024-11-23 11:30:15,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:30:15,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307031680] [2024-11-23 11:30:15,703 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:30:15,890 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-23 11:30:15,890 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:30:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:30:21,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:30:21,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307031680] [2024-11-23 11:30:21,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307031680] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:30:21,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763238220] [2024-11-23 11:30:21,216 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:30:21,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:30:21,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:30:21,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:30:21,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 11:31:02,941 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-23 11:31:02,941 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:31:02,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-23 11:31:02,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 11:31:03,176 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-23 11:31:03,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-11-23 11:31:03,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:31:03,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-23 11:31:03,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:03,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:03,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:04,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:04,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:04,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:04,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:04,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:05,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:05,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:05,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:05,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:06,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:06,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:06,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:06,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:06,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:06,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:06,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 11:31:06,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-23 11:31:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:31:07,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 11:31:10,894 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1884 Int) (v_ArrVal_1880 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1884))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:31:10,917 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109| Int) (v_ArrVal_1880 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2024-11-23 11:31:10,923 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2024-11-23 11:31:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:31:11,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763238220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 11:31:11,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 11:31:11,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 25] total 71 [2024-11-23 11:31:11,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168214719] [2024-11-23 11:31:11,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 11:31:11,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-23 11:31:11,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:31:11,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-23 11:31:11,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=4415, Unknown=24, NotChecked=408, Total=5112 [2024-11-23 11:31:11,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:31:11,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:31:11,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.263888888888889) internal successors, (523), 71 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:31:11,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:31:11,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:31:11,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:31:11,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:31:11,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:31:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-23 11:31:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-23 11:31:14,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-23 11:31:15,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 11:31:15,153 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:31:15,153 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:31:15,153 INFO L139 ounterexampleChecker]: Examining path program with hash -1757080674, occurence #10 [2024-11-23 11:31:15,153 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-23 11:31:15,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-23 11:31:15,153 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-23 11:31:15,153 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-23 11:31:15,154 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,154 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-23 11:31:15,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2024-11-23 11:31:15,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2024-11-23 11:31:15,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-23 11:31:15,157 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-23 11:31:15,157 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:31:15,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:31:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash -419894750, now seen corresponding path program 10 times [2024-11-23 11:31:15,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:31:15,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666974929] [2024-11-23 11:31:15,158 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:31:15,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:31:15,461 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:31:15,461 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:31:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 11:31:19,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:31:19,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666974929] [2024-11-23 11:31:19,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666974929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 11:31:19,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639987923] [2024-11-23 11:31:19,442 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:31:19,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 11:31:19,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:31:19,443 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 11:31:19,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7772d8-c9fc-4601-ae02-9adbca8a5284/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process